KS1000 Polycarb Rooflights
Materials and Coatings:
Rooflight
3.3Kg/m² Class 1Y clear multi-wall polycarbonate sheet with 20mm wall structure x 1000mm wide with an external KS1000RW profile. The external face has a co-extruded UV protection.
PVC coated steel reinforcing plate factory applied to male side crown of panel.
Properties:
| Light transmission |
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59% (Clear) |
| ASTM D1003 |
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58% (Opal) |
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| Solar transmission |
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67% (Clear) |
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64% (Opal) |
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| Thermal transmission |
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2W/m2K |
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| Fire Performance |
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Class 1Y - Rigid thermoplastic rooflight with a class 1 rating are
deemed AA under UK Building Regulations |
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| Weighted sound reduction |
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20dB(A) |
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| H & S classification |
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Class B - non-fragility to ACR[M]001:200 |
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Fillers and Seals
A 0.9mm PVC 30mm wide x 60mm deep support block is site applied to liner of the rooflight at purlin positions. 20mm vented and blocking tapes are applied to either ends of the polycarbonate box to reduce the risk of condensation.
Side-laps
All external side-laps weather sealed along the full length with an unbroken runs of 6 x 5mm butyl rubber sealant
End-laps
All external end-laps to be 150mm and weather sealed along the full width using three unbroken runs of
6 x 5mm butyl rubber sealant positioned either side of primary fasteners.
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