Policarbonat cutat luminatoare GEPLAST GRECA
POLYCARBONATE MULTIWALL CORRUGATED SHEETS WITH COEXTRUDED UV PROTECTION
GRECA
1000
250
8
6,1
250
39
UV protected side
250
48
250
75
Greca 250-40-8 mm
1000
UV protected side
250
UV protected side
10
6,1
250
39
250
48
250
75
Greca 250-40-10 mm
1000
250
250
48
16
UV protected side
250
39
250
75
Greca 250-40-16 mm
1000
250
250
12
UV protected side
78
250
74
250
Greca 250-75-12 mm (based on minimum of quantity)
1000
6
250
16
UV protected side
250
78
250
78
250
Greca 250-75-16 mm (based on minimum of quantity)
GRECA CHARACTERISTICS
Thickness
8 mm
10 mm
16 mm
Structure
12 mm
Depth
40 mm
78 mm
Cover width
1000 (± 5 mm)
Panel length
On request (maximum recommended length 7 m)
Estimated thermal transmittance
2,7 W/m K
2
2,5 W/m2 K
Service tempearture
2,0 W/m2 K
2,3 W/m2 K
2,0 W/m2 K
- 40 °C / + 120 °C
UV protection
Coextruded on the external side
Thermal expansion
65 x 10-6 K-1 (=0,065 mm/m °C)
Light transmission*
16 mm
Honeycomb structure
Clear (0010)
Opal (0035)
Warranty
* value according to internal test method
59% (±5)
58% (±5)
56% (±5)
72% (±5)
59% (±5)
41% (±5)
40% (±5)
34% (±5)
55% (±5)
37% (±5)
Limited 10-yrs warranty against breakage due to hailstones, yellowing and loss of light transmission
APPLICATION AND STRENGTHS
GRECA are polycarbonate multiwall corrugated sheets with an honeycomb structure and a cover width of
1000 mm. Sheets have been developed for lateral overlaps to most insulated panels and / or corrugated
metal sheets available on the market. Designed for the installation of skylights both in single and multiple
applications, thanks to the possibility of longitudinal and / or lateral overlapping, they are also available in
thermocurved version (except GRECA 250/75), with bending radii of 3500 mm or 6000 mm.
The side wing has a multiwall structure to reduce the problem of condensation. GRECA sheets have a good light
transmission and, thanks to thei
r coextruded UV protection, they guarantee a high degree of protection against
UV rays, yellowing and hail damage. The corrugated shape provides good resistance to external loads (snow
and / or wind), while the typical polycarbonate features provide excellent resistance to accidental shocks and
temperature leaps. The system is completed by a range of accessories that complete the installation.
SPECIFICATIONS
Construction of flat or curved skylights (radii 3500 mm or 6000 mm) with polycarbonate multiwall corrugated
sheets type GRECA 250/40, thickness 8 mm / 10 mm / 16 mm, honeycomb structure, coextruded UV protection
on the external layer, thermosealing of heads; cover width of 1000 mm, length on request; estimated thermal
transmittance Ug = 2,7 W/m2 K (for 8 mm thick.) / Ug = 2,5 W/m2 K (for 10 mm thick.) / Ug = 2,0 W/m2 K (for 16
mm thick.); ten-years limited warranty. The following accessories are available on request: PE spacer (upper
and / or lower), pre-painted metal half ridge,
fixing screw (for metal supports only), aluminium caps, fiberglass
head.
Construction of flat skylights with polycarbonate multiwall corrugated sheets type GRECA 250/75, thickness
12 mm / 16 mm, honeycomb structure, coextruded UV protection on the external layer, thermosealing of heads;
cover width of 1000 mm, length on request; estimated thermal transmittance Ug = 2,3 W/m2 K (for 12 mm
thick.) / Ug = 2,0 W/m2 K (for 16 mm thick.); ten-years limited warranty. The following accessories are available
on request: PE spacer (upper and / or lower), pre-painted metal half ridge, fixing screw (for metal supports
only), aluminium caps.
ACCESSORIES
997
50
15
PE SPACER
56
ALUMINIUM CAP
FIXING SCREW
30
CONTINUOUS APPLICATION
SINGLE APPLICATION
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