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Panouri din HPL compact pentru placari exterioare ABET LAMINATI

Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI

Limba: Engleza

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Tip documentatie: Specificații tehnice

Pagina 1 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza MATERIAL...

MATERIAL EXTERIOR GRADE BUILDING FAÇADES TECHNICAL MANUAL Unlimited selection TABLE OF CONTENTS 1. Product description 2. Advantages of MEG 3. Product properties 3.1. Ageing and weathering resistance 3.2. Dimensional stability 3.3. Cleaning 3.4. Removing graffiti 3.5. Physical and mechanical characteristics 3.6. Reaction to fire 3.7. Certificates 3.7.1. CE marking 3.7.2. Certifications 3.8. Environment 3.9. Warranty 4. Transport and storage 4.1. Transport 4.2. Storage 5. Processing the panels 5.1. Acclimatisation 5.2. Processing conditions 5.3. Safety instructions 5.4. Sawing 5.4.1. Types of saw 5.4.2. Saw blade 5.4.3. Cutting 5.5. Milling cutters 5.5.1. Milling machines 5.5.2. Types of milling cutter 5.5.3. Milling 5.6. Drills 6. Façade application 6.1. Principle of a ventilated façade 6.2. Joints 6.3. Corner solutions 6.4. Fixing plan 6.5. Fixing systems 6.5.1. General guidelines 6.5.2. Types of structure 6.5.2.1. Vertical wooden battening with wooden substructure 6.5.2.2. Ve

Pagina 1-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza MATERIAL EXTERIOR...

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rtical wooden battening with double wooden substructure 6.5.2.3. Vertical wooden battening with aluminium or galvanised steel anchoring 6.5.2.4. Vertical wooden battening with distance anchoring 6.5.2.5. Vertical aluminium Omega and Z profiles with distance anchoring 6.5.2.6. Vertical aluminium profile with aluminium anchoring 6.5.3. Types of fixing 6.5.3.1. Visible mechanical fixing 6.5.3.1.1. General principles 6.5.3.1.2. Visible mechanical fixing on a wooden backing structure 6.5.3.1.3. Visible mechanical fixing on an aluminium backing structure 6.5.3.2. Gluing on wooden substructure 6.5.3.3. Gluing on aluminium substructure 6.5.3.4. Invisible fixing with overlapping panel strips (weatherboarding or lap siding) 6.5.3.5. Invisible fixing with profiled edged panels in horizontal running aluminium hook profile 6.5.3.6. Invisible fixing with panel hooks (anchors) on aluminium horizontal running hook profile with aluminium subconstruction 6.5.3.7. Sandwich panel in profile system 6.5.4.

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Special fixings 6.5.4.1. Canopy cladding 6.5.4.2. Curved cladding 6.5.4.3. Perforated cladding 6.5.4.4. Shutters 6.5.4.5. Sun screens 7. Parapets and balustrades 7.1. General guidelines 7.2. Fixing principles 7.2.1. Types of fixing 7.2.2. Balcony separations 8. Maintenance 9. Disclaimer 2 2 2 2 2 2 3 3 4 4 4 4 4 4 5 5 5 6 6 7 8 8 8 8 9 9 9 9 10 10 10 10 12 14 15 16 16 16 16 17 17 18 18 19 19 19 19 20 23 26 29 32 35 38 42 42 42 42 43 44 44 45 45 45 45 47 48 48 1 1. Product description MEG is a self-supporting laminate panel manufactured under high pressure (HPL - High Pressure Laminate) with a decorative surface suitable for outdoor applications, resistant to light and weathering, complying with EN 438:2005, part 6. The core of the panel consists of layers of saturated kraft paper impregnated with phenolic resin and at least one decorative layer of cellulose paper impregnated with thermosetting resin, having both aesthetic and weather resistant functions. In the production process

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6.5...

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, heat (at 150°C) and high pressure (9 MPa) are combined in special multi-daylight presses in which the polycondensation of the resins occurs. One or both sides can have a decorative surface. The panels are available in standard version (MEG) and flame retardant version (MEG F1), which have improved reaction to fire. 2. Advantages of MEG • • • • • • • • • • • • Resists weathering and sunlight Mechanically robust Non-splintering Does not corrode and is not corrosive Easily workable Optimum fire behaviour Resistant to termites Antistatic Easily cleaned Aesthetically pleasing Environmentally-friendly Available in a wide variety of colours and decorative finishes MEG is a durable material, available in a wide colour range, with high technical performance, especially suitable for the construction industry where it is an excellent alternative to traditional materials. MEG is used for façade cladding, parapets and balustrades,and signage,and is particularly suite

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d for building ventilated façades. 3. Product properties 3.1. Ageing and weathering resistance By nature, MEG can be permanently exposed to the combined effects of sunlight and weather such as rain, hail, wind and salt air. The influence of exhaust gas or acid rain on MEG is insignificant. The decorative layer does not flake or delaminate. It is resistant to extreme temperature fluctuations and retains its physical and mechanical properties. Such extreme fluctuations as from -30°C to +70°C and from extreme aridity to a relative humidity of 90% have no effect on the appearance and properties of the panels. 3.2. Dimensional stability Under the influence of natural phenomena, MEG will undergo a limited change in its dimensions: the material shrinks at low humidity levels and expands at high humidity levels. Allowing the material to acclimatise in the place of use is therefore recommended. If this is not possible or where the climate is characterised by extreme fluctuations (cold-ho

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t or drywet), certain precautions must be taken in the design stage and during installation; for advice please contact your nearest Abet Laminati branch. The special compactness of MEG ensures an ideal combination of mechanical characteristics such as flexural and tensile strength and impact resistance. The panels’ homogeneity and high density ensure excellent tensile strength for such fixing elements as screws or inserts. 3.3. Cleaning The surface of MEG requires no special treatment for cleaning purposes. Any dirt left behind from sawing or assembly can be removed with ordinary, non-abrasive organic solvent free household cleaners using paper, sponge and soft cloths. It is advisable to rinse off thoroughly and completely remove any detergent remaining. Then the panel must be dried properly to avoid leaving marks. Normal air pollution deposits on the installed panels can be removed with ordinary, non-abrasive household cleaners. Avoid excessive rubbing or pressure or using aids tha

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t could cause abrasion marks or scratches. 2 3.4. Removing graffiti MEG’s chemical resistant nature and closed structure do not allow paint in spray cans, various inks, emulsion paints, lipstick or pastel paints to penetrate into the decorative layer therefore MEG does not require any anti-graffiti treatment. If the surface of the MEG is coated with graffiti or for more details about removing it, please contact your nearest Abet Laminati branch. 3.5. Physical and mechanical characteristics Property Test method Measured criterion Unit Thickness EN 438-2.5 Tolerance mm Flatness* EN438-2.9 Maximum deviation Required values EN 438 ±0.20 2.0≤t<3.0 ±0.20 3.0≤t<5.0 ±0.30 3.0≤t<5.0 ±0.30 5.0≤t<8.0 ±0.40 5.0≤t<8.0 ±0.40 8.0≤t<12.0 ±0.50 8.0≤t<12.0 ±0.50 12.0≤t<16.0 ±0.60 12.0≤t<16.0 ±0.60 16.0≤t<20.0 ±0.70 16.0≤t<20.0 ±0.70 mm/m 1 side decor 2.0≤t<5.0 1 side decor ≤50 2 side decor Length and width EN 438-2.6 Tol

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erance Typical values MEG 2.0≤t<3.0 2.0≤t<5.0 ≤50 2 side decor 2.0≤t<6.0 ≤8.0 2.0≤t<6.0 ≤8.0 6.0≤t<10.0 ≤5.0 6.0≤t<10.0 ≤5.0 t≥10.0 ≤3.0 t≥10.0 ≤3.0 mm +10/0 +10/0 Straightness of edges EN 438-2.7 Maximum deviation mm/m 1.5 1.5 Squarness EN 438-2.8 Maximum deviation mm/m 1.5 1.5 Resistance to wet conditions EN 438-2.15 Mass increase %(max) EDS EDS / EDF 2.0≤t<5.0 ≤7.0 t≥5.0 ≤5.0 t≥2.0 3 EDF 2.0≤t<5.0 ≤10.0 t≥5.0 Appearance Dimensional stability at elevated temperatures EN 438-2.17 Variation % length % width % length % width Resistance to impact by large diameter ball (shatter resistance) EN 438-2.21 Drop height Indentation diameter Appearance ≤8.0 Rating (min) mm (min) ≥4 ≥4 ≤0.4 2.0≤t<5.0 ≤0.8 ≤0.3 t≥5.0 ≤0.6 t≥5.0 ≤0.3 1400 2.0≤t<6.0 t≥6.0 1800 t≥6.0 10 ≤0.8 ≤0.15 2.0≤t<6.0 mm (max) ≤0.4 2.0≤t<5.0 1400 1800 6 Resistance to cl

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imate shock EN 438-2.19 min ≥0.95 ≥0.95 Resistance to UV light** EN 438-2.28 Contrast Grey Scale Rating (min) ≥3*** (after 1500h) 4-5*** (after 1500h) Appearance Rating (min) ≥4*** (after 1500h) 4-5*** (after 1500h) Resistance to artificial weathering (including light fastness)** EN 438-2.29 Contrast Grey Scale Rating (min) ≥3*** (after 650 MJ/m² radiant exposure) 4-5*** (after 650 MJ/m² radiant exposure) Appearance Rating (min) ≥4*** (after 650 MJ/m² radiant exposure) 4-5*** (after 650 MJ/m² radiant exposure) Thermal conductivity coefficient DIN 52 612 - W/mK 0.25 0.25 Thermal expansion coefficient ASTM D 696 - L=1.6x10 ca. L=1.6x10-5 ca. T=3.5x10-5 ca. T=3.5x10-5 ca. Tensile strength EN ISO 527.2 Force L≥100 L≥100 T≥70 T≥70 Flexural strength index (Ds) Elasticity modulus index (Dm) Flexural strength Flexural modulus (E) Density EN ISO 178 EN ISO 178 ISO 1183 Force Force Density Rating (min) ≥4 ≥4 min ≥

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0.95 ≥0.95 -5 °C‑1 MPa (min) MPa (min) MPa (min) g/cm³ L≥100 L≥140 T≥90 T≥100 L≥10000 L≥14000 T≥9000 T≥10000 ≥1.35 ≥1.4 * Values considering that the HPL is stored in the manner and conditions recommended by the manufacturer. ** With regard to the colour fastness, for applications within the range of latitude between the 35th North parallel and the 35th South parallel and heights over 2000 m above sea level, it is advisable to contact the local Abet Laminati Sales Office to verify its possible application. *** Excluded colour codes: 414, 416, 475, 825, 854 that perform the standard requirement of contrast “rating 3” (grey scale). It is possible to order them with an additional treatment in order to get a value of contrast with rating 4 to 5 (grey scale). For the latest update of the technical datasheets, we recommend to check the general Abet Laminati website (www.abet-laminati.it) or contact your local Abet Laminati representative. 3 3.6.

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Reaction to fire Test method Standard Classification EDF Fire reaction (EU) Small flame and radiant panel EN 13501-1 UNI 8457 EDS t<6 mm C-s2,d0 t≥6 mm C-s2,d0 t≥6 mm B-s1,d0 t≥12 mm B-s1,d0 Class 1 Class 2 UNI 9174 UNI 9177 Flame spread rate (UK) BS 476-7 Class 1 Class 2 Fire shaft test (D) DIN4102-1 B1 B2 Flammability (FR) NF P 92-501 M1 M2 Smoke toxicity and density (FR) NF F 16-101 F1 F1 Swiss fire test VKF 5.3 (4≤t≤10 mm) 5.3 (4≤t≤10 mm) For the latest update of the technical datasheets we recommend to check the general Abet Laminati website (www.abet-laminati.it) or contact your local Abet Laminati representative. 3.7. Certificates 3.7.1. CE marking In compliance with Reg. EU 305/2011 “Construction Products Regulation” (CPR), MEG F1 obtained the Certificate of Constancy of Performance of the product according to the requirements laid down in Annex ZA of the harmonized standard EN 438-7:2005; therefore, the product is CE mar

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ked. Also MEG (the non-fire retardant grade) having thickness equal to or higher than 6 mm is CE marked. 3.7.2. Certifications Abet Laminati has obtained many relevant national product certifications for MEG and MEG F1 by Institutes such as CSTB (France), BUTGB (Belgium), KIWA (The Netherlands), DIBt (Germany), BBA (UK), ICC ES (USA). The latest version of these certificates can be asked for via your local Abet Laminati representative. ISO 9001 and ISO 14001 certifications In order to demonstrate the company's continual commitment to provide a product that meets the customer requirements and to improve the Customer satisfaction, Abet Laminati has, since 2007, been certified and is compliant with the quality management system ISO 9001 Standard. Quality and production requirements have always been at the foremost of the company’s commitment to develop and implement a policy and objectives which take into account legal requirements and environmental aspects. For this reason, also the

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environmental management system has been certified in compliance with ISO 14001 Standard. FSC/PEFC certifications The continuous commitment of the Company to implement a policy of environment protection, in particular to the promotion of responsible forest management is expressed by the latest Chain of Custody certifications according to FSC® and PEFC™ standards. FSC® certified products and PEFCTM certified products are available on request 3.8. Environment About 60 to 70% of MEG consists of cellulose fibres from renewable sources and the remaining part (about 30 to 40%) consists of thermosetting resin. No organic solvents, no asbestos and no heavy metals are used during the production cycle. MEG does not release any gases, vapours, solvents or fluids. Building waste and remains from processing can be stored and handled as materials equivalent to household waste at controlled landfills according to national and/or local regulations. Considering its high calorific value, the inc

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ineration of its scrapes allows a significant energy recovery in waste to energy plants. Furthermore, MEG has had a positive life cycle assessment (LCA), based on standard ISO 14040 series, which aims to determine a product's impact on the environment by taking into account the materials used, the energy consumption and the emissions in all stages of the product's life, from manufacture through to processing the scrapped products. 3.9. Warranty To receive the complete MEG Warranty document, please contact your local Abet Laminati representative. 4 4. Transport and storage 4.1. Transport The panels should be handled with care during transport, in order to avoid damaging the edges and the decorative surfaces. Therefore, the following points should be observed: • The MEG panels should be stacked horizontally on a flat and sufficiently supporting pallet, in order to prevent distortion or damage. Between the pallet and the first panel, place a protective PE sheet as well as on top o

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f the stack. • Secure the panels to the pallet using steel or nylon straps, so that they can’t move and cause damage. The edges and corners should be protected. • When loading and unloading the panels, do not let them slide over each other: lift them by hand or use a lifting system with suction cups. 4.2. Storage • Wrong position during storage can cause permanent deformation of the panels. • Stack the panels on top of each other on a flat surface: never stand the panels on edge. Cover the outermost panel with a sheet of polythene or similar material. 5 -- For temporary storage outside : • Cover the panels with polythene or tarpaulin to protect from climatic elements and also to avoid moisture ingress accumulating between the sheets. • It is strongly recommended that the delivered material remains strapped on the pallet until needed. • When the pallet is opened and material is used, at the end of the day, a polyethylene sheet should be placed over the top sheet an

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d re-strapped, the whole stack of sheets should then be covered with polythene or waterproof tarpaulin, this being all the more important if the protective film has been removed. • The pallet should be sited on a well-drained area, so as not to stand over wet or damp. Never position the pallet over open soil as these areas are of higher ambient humidity. • If panels have been prepared in a workshop, re-stack in the same manner that they were received from the factory. • For panels which have been pre-prepared in the workshop by affixing hanging brackets etc. or for panels which may have bowed through moisture absorption to one face, these can be positioned on hard wooden or oak slats placed between the panels, with a maximum distance corresponding to the value shown on page 15 less 20%. Panels should be strapped when not being worked and covered in a ventilated way with polythene or tarpaulin. -- For storage inside : • It is advisable to store the MEG panels in a closed wareho

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use under normal climatic conditions (advised temperature 10-30°C/humidity 40 to 65%). • When warehousing, place the MEG panels horizontally, together, on a sturdy, well supported and completely flat rack. • Provide a PE sheet between the supporting rack and the first panel. • Cover the top panel with a protective PE sheet and on top of this a larger panel that has sufficient mass to exert a downward pressure on the stack of MEG panels. 6 5. Processing the panels 5.1. Acclimatisation Before processing, we suggest to leave the panels in a well-supported ventilated position for a period of 1 day per mm thickness allowing them to acclimatise, in order to prevent any distortion of the panels. 5.2. Processing conditions • Processing MEG panels in the workshop should be done in normal climatic conditions. • Ensure that machine surfaces are clean before laying the MEG panels on them. • Ensure that the room is well lit and provide adequate dust extraction to be able to view

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the MEG panels correctly at all times while processing them. • Before processing, check the MEG panels for any production defects. If any production defects are found in the panels, use a complaints procedure to report them immediately to the supplier, who in turn will contact the Abet Laminati representative. The costs of processing panels that had a production defect are not eligible for compensation by Abet Laminati. • With MEG Wood panels, match the wood grain according to the design. • With MEG Concrete panels, match the decorative pattern according to the design. • Be careful with the direction of all MEG panels and in particular with the MEG Metal typology. Turning the panels through 90°, 180° and/or 270° results in a noticeable colour difference. • Panel edge finishing -- It is best to finish-mill the edges of the panels after sawing, in order to be as smooth as possible to stop water accumulating. -- The edges of the panels should be chamfered at the visible sid

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e of the panel in order to eliminate burring, which could otherwise cause water and dirt accumulation. • Protection film When a protection film is provided on the MEG it will always be applied on both sides of the panel. It is very important to rip the film off the surface at the same time of manipulation on both sides together. Leaving for example the protection film just on the outer side of the panel in order to protect the surface from dirt and risk of damage while assembling the façade, will cause a distortion of the panel. • When making holes or openings into MEG panels the internal corners must have a minimum radius of 4 mm. 7 5.3. Safety instructions • Respect the generally applicable health and safety rules. • Wear appropriate, not loose-fitting work clothing. Avoid wearing rings, necklaces, watches or other type of jewellery and ornaments. • Wear safety goggles and a dust mask when sawing, sanding and milling. • Wear ear protection for noisy processing (e.g

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. sawing). • Provide continuous dust extraction during machining activities. • Wear protective gloves during activities involving adhesives, solvents or other chemical products. • Make sure that the equipment is earthed. • Remove adjusting spanners or wrenches before using a machine. • Keep the workplace clean and tidy. • Ensure that the work pieces are always stable and clamped before proceeding with processing. • Respect the generally applicable instructions and measures concerning occupational safety and fire prevention. 5.4. Sawing 5.4.1. Types of saw The following types of saw can be used for sizing MEG • Panel saw/dividing saw • Portable circular saw • Docking saw • Avoid the use of a pendulum saw 5.4.2. Saw blade • A saw blade with inset carbide teeth (Widia) or diamond teeth PCD (only for non-portable saws) is recommended. • Use a saw blade with alternating trapezoidal/flat teeth. • The saw blade must have at least six teeth per 25 mm diameter. �

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� Usable saw blade teeth profiles: 8 5.4.3. Cutting Please note that the further the saw blade sits out of the panel, the sharper and cleaner will be cut on the side of the tooth entering, and the less clean the other side, and vice versa. One rule of thumb is to plan to have continuously two full teeth in the thickness of the panel. • Panel saw/dividing saw Saw the MEG panel with the visible side up. The entry of the saw tooth into the panel is from the top and is usually the cleanest. • Portable circular saw -- Saw the MEG panel with the non-visible side up. The entry of the saw tooth into the panel is from the bottom and is usually the cleanest. -- Ensure that the panel being cut is always well secured and stable. -- Always use a guide and allow a margin for edge milling. -- Manual sawing with a portable circular saw should be limited to specific interventions on site. • Docking saw Saw the MEG panel with the visible side up. • Pendulum saw Saw the MEG panel with

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the non-visible side up. Saw cuts obtained using a pendulum saw will not be clean. To create openings and recesses, it is better to opt for a router or milling by CNC. • Ideally, each saw cut should be finish-milled. It is also advisable to mill a slight chamfer (bevel edge) on the edges of the panel, in order to prevent burring, so that water accumulation at the edges is impossible. This guarantees a perfect finish and improved resistance to rain, frost and other climatic conditions over time. 5.5. Milling cutters 5.5.1. Milling machines • Routers • Bench mill • CNC milling machine 5.5.2. Types of milling cutter • Tungsten Carbide or Wolfram Carbide (Widia) milling cutter gives the best result when sharpened but doesn’t last very long due to the abrasive characteristic of MEG. • Diamond milling cutters (PCD) -- Longer lifespan -- Higher performance -- Constant cutting quality -- More expensive to buy • The milled edge will be satisfyingly flat depending on the millin

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g cutter profile. • Specialist suppliers offer a wide range of shaped profile cutters for milling different edge profiles. There are also companies specialising in making milling cutters to order (carbide and diamond). 9 5.5.3. Milling • Routers -- Processing manually with a router should be limited to specific interventions on site. -- Ensure that the panels to be processed are stable and well secured. -- Preferably, use a guide or template. Adjust cutting speed to suit the diameter of the router, in order to prevent burring and overheating. • Milling bench Ideal for milling a rebate (butting edge) for making joints suitable for assembly according to the shiplap joining principle. The milling bench can also be used for bevelling the edges of the panels. • CNC milling machine A CNC milling machine is the ideal tool for preparing and processing panels in the workshop (drilling, milling, etc.). This machine is indispensable for the precision drilling of blind holes in preparat

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ion for placing panel hooks when building a façade with invisible, mechanical fixings. • Milling speeds and power depend on the type of cutter, the cutter diameter, the amount of the material to be removed and the machine. It is therefore appropriate to make a test piece for setting the correct parameters. 5.6. Drills • Ideal are helicoidal drills with a drill point angled at 60° to 80° (instead of 120° for conventional metal drills) and with steep chip evacuation (so-called rapid inclination) and a wide channel. It is advisable to place the panels to be drilled on a sacrifice board, so that the hole will stay clean on both sides. • Hole saws may be used for large diameters. In order to prevent chipping, it is also advisable to place the panels to be drilled on a sacrifice board. 6. Façade application General National and local building guidelines, obligations and legislation are assumed to be known by the client, architect, contractor and its subcontractor if any. The

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se guidelines and legislations should be respected and applied by way of priority. If the local building guidelines, obligations and legislation conflict with the advice and processing guidelines of the MEG processing manual, then the client, the contractor or its subcontractor if any and/or the architect should contact the local Abet Laminati representative for consultation. 6.1. Principle of a ventilated façade • The principle is that a naturally ventilated cavity is created between, the bearing structure insulated on the outside and the cladding secured to it. • MEG panels used as ventilated façade provide resistance to all possible effects of the weather (sun, rain, snow, heat, frost, etc.). • A well realized ventilated façade has the following benefits: -- The ventilated cavity allows any infiltrating rainwater (with open joints) and condensation to drain away and to dry. This is also a benefit for a long term qualitative insulation that doesn’t become wet. A joint pro

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file can prevent rainwater infiltration thereby greatly reducing the amount of moisture behind the panel. Using a joint profile (e.g. aluminium omega profile) also gives the façade a neatly finished appearance. 10 -- Regulates moisture and temperature fluctuations. Thanks to the flexibility of fixing of a ventilated façade, the thickness of the thermal insulation could be adapted to the local needs and regulations. Due to the differential between the temperature and the damp pressure of bottom and the top of the building, a natural air flow will be created (chimney effect) behind the MEG cladding. This natural airflow has also the advantage to dry moisture and condensation. Moisture from the construction and condensation from the use of the building could evaporate through the ventilated gap behind the panels. The result will be a breathing building which will contribute to a healthy and pleasant inner climate. If condensation should appear, at any point inside the building, it

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Pagina 27 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza is...

is advisable to include a vapour barrier as well as a ventilation system for the building. Everything will depend on which side the point of condensation will be reached, if any. -- Stabilises any structural setting of the building thanks to the external insulation of the bearing construction, which allow, low temperature variations at the inside of the building. This minimises also the risk of cold bridges. -- Could isolate undesirable noises. Due to the composition of the façade in different layers the noise frequencies are reduced on different levels. It is even possible to improve this effect by adding specific sound reduction isolation. -- Could function as a lightning arrester. With a ventilated façade it is easy to have an improved fire safe cladding by using fire resistant materials for the insulation, sub construction and cladding (MEG F1 for example). It is also necessary to place stainless steel fire partitions between the storey levels in order to prevent the fire

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to propagate through the ventilation cavity. 11 • For a naturally ventilated cavity the following should be taken into account: -- Sufficient air inlet openings at the bottom of the cladding and sufficient air outlet openings at the top of the cladding. It is also necessary to provide them at window sills and at window and door lintels. Minimum 50 cm²/m for façade parts 3 m height (uninterrupted opening of 5 mm) and minimum 100 cm²/m for façade parts >3 m height (uninterrupted opening of 10 mm). The size of the air inlet and outlet openings should be proportioned according to the height of the cavity to be ventilated with a maximum opening equal to the depth of the cavity. -- A cavity should be at least 20 cm wide and minimum 2.5 cm deep. -- The continuity of open air circulation in the cavity. -- Masking of ventilation openings with perforated screens and/or perforated profile of openings > 1 cm, in order to stop vermin and insects accessing the rear of the cladding. Be car

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Pagina 29 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza eful to...

eful to respect the minimum % of opening required through the perforated openings of the screens. -- For horizontal panel application it is necessary to have the sub- construction orientated perpendicularly to the façade cladding, in order to allow a natural airflow for ventilation between the "warm" side of the building and the cold exterior, it will also be necessary to reduce the distance between the bearing sub-construction. 6.2. Joints • Temperature and humidity affect the panel dimensions. This should be taken into account when determining the joint width between panels. Generally, a dilatation gap should be calculated as 0.15% of the length of the panel for the longitudinal direction and 0.3% of the width for the transversal direction. 12 • A minimum gap of 6 mm is required. This has not only a technical but also an aesthetical function. How smaller the joints, how more joint width differences will be visible. • If a profile (aluminium or plastic) is placed in the

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joint, spacing should be allowed on both sides of the profile equal to half the joint width. • For aesthetic considerations, it is best to mask the joints, but also in order to prevent insects and vermin nesting behind the panels. • An open joint façade cladding is less subject to wind suction effect on the panels. • At open joints, any potential rain or damp infiltration, can adversely affect the insulation. Placing a vapour permeable moisture barrier can be a solution for this. • Where air supply and extraction needs to be provided, the openings must be closed off with specially designed perforated screens and/or perforated profiles, in order to prevent access by vermin and insects behind the cladding. • It is not advisable to use sealant in expansion joints; this leads to stresses in the panel that could prevent natural movement and cause the panel to deform. • Optionally a drip edge profile could be used in order to prevent collecting and stagnating on the edge of t

Pagina 30-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza joint, spacing...

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he panel and also in order to avoid water infiltration behind the MEG panel which could cause deterioration of the backing subconstruction, especially with timber supporting structures. • Joints in the MEG façade cladding must coincide with the dilation joins of the subconstruction. 13 • Types of joints, horizontal and vertical: Open joint Joint profile Shiplap joint 6.3. Corner solutions • Corners can be open or closed. • If corners are closed without any possibility of the joint opening and closing, the panel dimensions on either side of the corner may not exceed 300 mm. If they do exceed 300 mm, the corner has to be considered as fixed and the following dilatation gap should be twice the calculated width. Miter return corner Corner profile Corner profile Glued corner with secret reinforcement profile Finishing profile with visible strip Closed corner (fixed) Closed corner (flexible) Open corner (flexible) Flat corner 14 6.4. Fixing plan • The fastening s

Pagina 31-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza he panel and also...

Pagina 32 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza pacing ...

pacing indicated in the tables here under are indicative for the stability of the panel. They do not take into account wind loads, specific regional regulations, geographical location of building and physical location of the panel on the façade. • This spacing does not take into account the type of the bearing construction on which the subconstruction is fixed or the type of the subconstruction itself. • Abet Laminati recommends that the spacing distances should be as per a structural engineering calculation taking into account all above mentioned factors. • For glued applications the spacing measurements should be reduced by 20%. • For horizontal or inclined applications the spacing measurements should be reduced by 20%. • If horizontal or inclined applications are glued, these measurements should be reduced by an additional 20%. This means a total of minus 36% on the values indicated below. Thickness mm MAX D1 mm MAX D2 mm A mm B mm 6 600 450 20-40 20-40 8 750

Pagina 32-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza pacing indicated in...

Pagina 33 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza
600
...

600 20-60 20-60 10 900 750 20-80 20-80 12 1050 900 20-100 20-100 Thickness mm MAX D1 mm MAX D2 mm A mm B mm 6 600 500 20-40 20-40 8 750 650 20-60 20-60 10 900 800 20-80 20-80 12 1050 950 20-100 20-100 15 6.5. Fixing systems 6.5.1. General guidelines The following important points should be observed when using and dimensioning Abet Laminati MEG panels: • MEG panels are self-supporting and must be mounted to be freely suspended, so that they remain ventilated along the front and rear faces (e.g. not fastened onto a solid carrier or on a full background). • The strength and stiffness of the panels should be viewed as a function of the thickness of the panel in conjunction with the planned backing structure and type of fixing. • The panels should not be given any structural or stabilising functions. • If any heavy elements are to be hung from the panels, it is advisable to secure them to the underlying structure. Note: the free expansion/con

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20-60

20-60
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traction of the panels must be respec ted by providing enough clearance around the fixings. • MEG panels should always be applied with free ventilation. • Expansion joints should always be allowed between the panels themselves and between the panels and any potential obstructions. • A minimum gap of 6 mm is required. A joint of 10 mm is recommended, covering all possible dimension changes within a panel, taking in account normal climatic variations. 6.5.2. Types of structure A few point of attention are common to all kind of subconstructions: • Fixing points to the bearing structure of the building should have at least a pull out strength of 3 KN. On site tests could be realized with the supplier of the anchors and/or of the subconstruction. • For anchoring a subconstruction always refer to the directives of the supplier of the proposed anchors. • A subconstruction, in whatever material is used, should never have a flatness tolerance larger then L/1000 over the whole sur

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Pagina 35 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza face of...

face of the façade and should never exceed 2 mm/m between the fixing points of the panels. • Always take in account the dilatation of the material used as subconstruction especially at linear prolongations. Mostly a dilatation gap will be required. • Dilation gaps of the MEG panels and the subconstruction should always coincide. 6.5.2.1. Vertical wooden battening with wooden substructure Vertical pressure treated timber structure (minimum profile of 30x40 mm for intermediate and end battens and of 30x80 mm for battens at joints) mounted on a horizontal pressure treated timber battening, which in turn is secured to the underlying building structure. This method is usually used for timber frame buildings, in order to avoid a less homogeneous insulation of the building occurring near the primary horizontal timber structure in case of traditional building. Advantages: -- Inexpensive supporting structure. -- Horizontal timber subconstruction is simple to fix to building structure. --

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Flexibility for determining the centre-to-centre distance when placing the vertical timber structure. -- Independent vapour permeable wind and water barrier is simple to install. -- A horizontal finishing joint profile (e.g. Omega profile) is simple to install. Disadvantages: -- Hard to control the relative moisture content of the wood. -- In time wood could be deteriorate by ageing. -- The wood may twist or buckle. -- In case of traditional building structure (not timber frame buil ding) the insulation will be less homogeneous near the primary horizontal wooden structure. -- Cold bridges at the point fixings in the building structure in case of traditional building. -- Since it is imperative to obtain a perfectly flat supporting subconstruction, great care and time could be spent on setting the primary wooden structure matrix, depending on the flatness of the bearing construction. 16 6.5.2.2. Vertical wooden battening with double wooden substructure Vertical pressure treated ti

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Pagina 37 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza mber...

mber structure (minimum profile of 30x40 mm for intermediate and end battens and of 30x80 mm for battens at joints) mounted on a horizontal pressure treated timber structure, which in turn is secured to the underlying vertical timber structure which is secured to the bearing construction of the building. In this case you obtain a double layered insulation which guarantees a homogenous insulation of the building and of the substructure. Advantages: -- Inexpensive supporting structure. -- Horizontal wooden subconstruction is simple to fix to building structure. -- Flexibility for determining the centre-to-centre distance when placing the vertical wooden structure. -- A double layered insulation guarantees a homogenous insulation of the building and of the substructure. -- No cold bridges at the point fixings in the building structure. -- Independent vapour permeable wind and water barrier is simple to install. -- A horizontal finishing joint profile (e.g. Omega profile) is simple to ins

Pagina 37-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza mber structure...

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tall. -- Good ventilation of the wooden structure. Disadvantages: -- Hard to control the relative moisture content of the wood. -- In time wood could deteriorate by ageing. -- The wood may twist or buckle. -- Since it is imperative to obtain a perfectly flat supporting subconstruction, great care and time could be spent on setting the primary wooden structure matrix, depending on the flatness of the bearing construction. 6.5.2.3. Vertical wooden battening with aluminium or galvanised steel anchoring Vertical Pressure treated timber structure (minimum profile of 30x40 mm for intermediate and end battens and of 30x80 mm for battens at joints) secured using aluminium fixing anchors directly into the underlying building structure. Advantages: -- Inexpensive supporting structure. -- Flexibility in setting the wooden support structure matrix, completely independently from the flatness of the building structure. -- Completely homogeneous insulation of the building is possible. -- A horizont

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al finishing joint profile is simple to add (e.g. Omega profile). -- Flexibility in choosing the insulation thickness. Disadvantages: -- The centre-to-centre distance of the aluminium fixing anchors must be placed very carefully in order to provide the adequate subconstruction on the right place for the panel fixing. -- Harder to place an independent vapour permeable, wind and water barrier. It is best to fit insulation already provided with a vapour permeable, wind and water barrier or to use wind and water resistant insulation panels. -- Hard to control the relative moisture content of the wood. -- The wood may twist or buckle. -- In time wood could deteriorate by aging. 17 6.5.2.4. Vertical wooden battening with distance anchoring Vertical Pressure treated timber structure (minimum profile of 30x80 mm for battens) secured directly into the underlying building structure through the isolation, using special distance anchors. In this case it is advisable to use hard isolation panel

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Pagina 40 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza s like ...

s like PIR, PUR, cellular glass,... . Advantages: -- Inexpensive supporting structure. -- Flexibility in setting the wooden support structure matrix, completely independent from the flatness of the building structure. -- Completely homogeneous insulation of the building is possible. -- A horizontal finishing joint profile is simple to add. -- Flexibility in choosing the insulation thickness. -- Good ventilation of the wooden structure. Disadvantages: -- The centre-to-centre distance of the fixing anchors must be placed very carefully in order to provide the adequate subconstruction on the right place for the panel fixing. -- Hard to control the relative moisture content of the wood. -- The wood may twist or buckle. -- In time wood could deteriorate by ageing. 6.5.2.5. Vertical aluminium Omega and Z profiles with distance anchoring Vertical aluminium Omega profiles at joins and Aluminium Z intermediate aluminium profiles secured directly into the underlying building structure through

Pagina 40-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza s like PIR, PUR,...

Pagina 41 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza the...

the isolation, using special distance anchors. In this case it is advisable to use hard isolation panels like PIR, PUR, Foamglas,... . Advantages: -- Inexpensive supporting structure. -- Flexibility in setting the aluminium support structure planar, completely independently from the flatness of the building structure. -- Completely homogeneous insulation of the building is possible. -- A horizontal finishing joint profile is simple to add. -- Flexibility in choosing the insulation thickness. Disadvantages: -- The centre-to-centre distance of the fixing anchors must be placed very carefully in order to provide the adequate subconstruction on the right place for the panel fixing. 18 6.5.2.6. Vertical aluminium profile with aluminium anchoring Vertical aluminium structure, which in turn is secured with aluminium fixing anchors into the underlying building structure. Advantages: -- Flexibility in setting the aluminium support structure flat and/ or perpendicular, completely independe

Pagina 41-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza the isolation,...

Pagina 42 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza ntly...

ntly from the flatness of the building structure. -- Fixing anchors are simple to place. -- Completely homogeneous insulation of the building is possible. -- A finishing joint profile is simple to add (e.g. Omega profile). -- Stable, homogeneous and strong yet lightweight structure that is not subject to twisting and warping. -- Highly resistant to water and moisture. An aluminium structure is more durable than wooden battening. Disadvantages: -- Expensive compared to wooden battening. -- Expert and accurate positioning is required, taking into account such things as the expansion of the aluminium, both at the anchorages and at the expansion joint of the aluminium profile and the expansion joint of the MEG panels, which mandatorily must coincide. -- The aluminium fixing anchors must be observed very carefully (centre-to-centre distance). -- Harder to place an underlying, independent vapour permeable, wind and water barrier. It is best to fit insulation already provi ded with a vapou

Pagina 42-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza ntly from the...

Pagina 43 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza r...

r permeable, wind and water barrier or to use wind and water resistant insulation panels. 6.5.3. Types of fixing 6.5.3.1. Visible mechanical fixing 6.5.3.1.1. General principles • Always allow for the expansion of the MEG panels. Apart from one point (fixed point), each hole should have a clearance (dilatation point). It is very important for the screw or rivet to be positioned central in the hole, in order to allow expansion and contraction in all directions. • The so-called fixed point should prevent a panel displacing due to successive expansion and contraction, thus disrupting the regularity of the joints over time. Generally the fixed point is placed as central as possible on the panel surface. The fixed point should be systematically located on the same place of the panel. 19 • Optionally (even sometimes obligatory) an EPDM joint band, with or without lips and eventually self-adhesive, could be applied between the MEG panel and a wooden supporting structure in order t

Pagina 43-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza r permeable, wind...

Pagina 44 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza o...

o protect the wood from external moisture. The EPDM joint band should be larger than the wooden support especially when there are no lips. • It is also very important only to hand-tighten the screw at each dilatation point (not too tight) and for the same reason to place a suitable nose-piece over the riveting tool (as spacer device) when fitting the rivets, in order to allow panel movements at sliding point. The riveter head should allow a clearance of 0.3 mm. • When pre-drilling holes in aluminium subconstruction for a riveted application, it is advisable to use a drilling template or a centre drill-bit in order to position the hole in the fixing structure centred relative to the hole in the panel. • A maximum panel dimension should be calculated at the furthest fixing point and is depending on the relatively small expansion gap that must be provided between the fixing device diameter and the hole diameter of a sliding point. The head of the fixing device should always cover

Pagina 44-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza o protect the wood ...

Pagina 45 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza the...

the complete sliding fixing point hole. The maximum MEG panel size for visible mechanical fixing must never exceed 3030 X 1280 mm. 6.5.3.1.2. Visible mechanical fixing on a wooden backing structure Fixing with optionally colour coated 12 or 16 mm stainless steel pan head screw, with 4.8 mm shank, Torx insert no. 20 and a length of 38 mm. With this fixing method the diameter of the holes for dilatation and fixing points should not exceed respectively 8 mm and 5 mm for a screw head with a diameter of 12 mm, and 10 mm and 5 mm for a screw head with a diameter of 16 mm. The dilation gap between the hole diameter and the screw diameter must allow the panel to expand/contract. A maximum panel dimension should be calculated taking into account the maximum panel dilatation at the furthest dilatation fixing point (sliding point). The head of the fixing device should always cover the complete sliding fixing point hole. 20 Horizontal section detail at window detail of external corner detai

Pagina 45-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza the complete...

Pagina 46 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza l of...

l of inner corner detail of fixing point detail at dilatation gap 21 Vertical section detail at roof level detail at dilatation gap detail fixing point detail at window sill detail at lintel detail at building base 22 6.5.3.1.3. Visible mechanical fixing on an aluminium backing structure • Fixing with optionally colour coated 16 mm stainless steel self-drilling and tapping pan head screw with 6 mm shank, Torx insert no. 25 and a length of 25 mm, are used for this type of fixing. With this fixing method the diameter of the holes for dilatation points should not exceed 10 mm, and 6 mm for the fixing point.The dilation gap between the hole diameter and the screw diameter must allow the panel to expand/contract. A maximum panel dimension should be calculated taking into account the maximum panel dilatation at the furthest dilatation fixing point (sliding point). The head of the fixing device should always cover the complete sliding fixing point hole. The use of centering sl

Pagina 46-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza l of inner corner

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Pagina 47 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza eeves...

eeves is possible but it will limit the dilatation of the sliding points. • Fixing with optionally colour coated 16 mm broad head rivet with stainless steel nail and aluminium 5 mm mandrel. Respect the length of the rivet advised by the supplier of the rivet taking in account the sum of the different thicknesses material to be joined. With this fixing method the diameter of the holes for dilatation points should not exceed 10 mm and 5,1 mm for the fixing point. The dilation gap between the hole diameter and the rivet diameter must allow the panel to expand/contract. A maximum panel dimension should be calculated taking into account the maximum panel dilatation at the furthest dilatation fixing point (sliding point). The head of the fixing device should always cover the complete sliding fixing point hole. 23 Horizontal section detail at window detail of external corner detail of inner corner detail of fixing point detail at dilatation gap 24 Vertical section detail at roo

Pagina 47-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza eeves is possible...

Pagina 48 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza f level...

f level detail at dilatation gap detail fixing point detail at window sill detail at lintel detail at building base 25 6.5.3.2. Gluing on wooden substructure • MEG panels can be bonded with a flexible MS polymer or polyurethane adhesive system for façade cladding. Please note that processing times, open times, minimum and maximum application temperatures and application methods do vary depending on the adhesive manufacturer. Please consult the adhesive manufacturer's processing guidelines. • When gluing MEG always use a single-sided decorative MEG panel with a backing reference on the reverse side of the panel. Always glue on the backing side of the MEG panel. Contact your local Abet Laminati representative for the up-to-date list of concerned MEG decors. • A maximum panel dimension has to be respected in conformity with the tolerated panel dilation depending on the flexibility and strength of the glue. Refer to the glue manufacturer for the maximum authorised diagonal d

Pagina 48-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza f level

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imension of the panel. • The wood should be treated with a primer. Care: before applying the primer, check the moisture content, which must not exceed a maximum percentage and is specified by the chosen adhesive manufacturer. That percentage is usually around 18%. • The adhesive manufacturer also specifies the maximum activation period (open time) of the primer. The panels must be bonded within that period, in order to guarantee the maximum adhesion of the adhesive. This manufacturer-dependent time span can vary from 8 hours to 20 days. • Depending on the admissible open time (activation period), the wood can be treated with the primer in the workshop, or sheltered from rain, dust and wind. • Before bonding on site, dust off the wooden battening. • The MEG panels must be dusted, cleaned and degreased before being glued. • With some glue manufacturers the panels also must be sanded and/ or pre-treated. • Lay a double-sided neoprene foam tape approximately 3 mm thick and 10

Pagina 49-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza imension of the...

Pagina 50 - Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza mm...

mm wide onto the wooden battening. Along the line of joint, the neoprene tape should be laid on the joint side of the wooden batten, in order to avoid visible glue residues in the joint. This tape has two purposes: first, it holds the panel in place until the adhesive reaches its full bonding capacity and secondly, the thickness of the tape will give the glue an appropriate mass and guarantee an adequate, flexible bond. • Alongside the neoprene tape, lay a continuous, pyramid-shaped trail of glue about 8 mm wide and 10 mm high using a glue gun with a nozzle designed specifically for this purpose. • Now press the MEG panel down onto the tape and adhesive. Note: the panel should be placed/positioned carefully and in the correct position. It is advisable to create a stable, accurate base with the first row of panels. For the panels placed subsequently, use the first row of panels on which small spacer pieces are placed along the line of the joint. Panel offcuts can be used as spacer

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pieces, since their thickness could correspond with the joint width employed. 26 Horizontal section detail at window detail of external corner detail of inner corner detail of fixing point detail at dilatation gap 27 Vertical section detail at roof level detail at dilatation gap detail fixing point detail at window sill detail at lintel detail at building base 28 6.5.3.3. Gluing on aluminium substructure • MEG panels can be bonded with a flexible MS polymer or polyurethane adhesive system for façade cladding. Please note that processing times, open times, minimum and maximum application temperatures and application methods do vary depending on the adhesive manufacturer. Please consult the adhesive manufacturer's processing guidelines. • When gluing MEG always use a single-sided decorative MEG panel with a backing reference on the reverse side of the panel. Always glue on the backing side of the MEG panel. Contact your local Abet Laminati representative for the

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up-to-date list of concerned MEG Standard decors. • A maximum panel dimension has to be respected in conformity with the tolerated panel dilation depending on the flexibility and strength of the glue. Refer to the glue manufacturer for the maximum authorised diagonal dimension of the panel. • Before bonding on site, dust, clean and degrease the aluminium support structure. • The MEG panels must be dusted, cleaned and degreased before being glued. • With some glue manufacturers the panels also must be sanded and/or pre-treated. • Lay a double-sided neoprene foam tape approximately 3 mm thick and 10 mm wide onto the aluminium battening. Along the line of a joint, the neoprene tape should be laid on the joint side of the aluminium batten, in order to avoid visible glue residues in the joint. This tape has two purposes: first, it holds the panel in place until the adhesive reaches its full bonding capacity and secondly, the thickness of the tape will give the glue an appropriate

Pagina 52-Placi HPL compact fatade MEG_GEPLAST ABET LAMINATI Specificații tehnice Engleza up-to-date list of
...

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