Insulator Contour Rooflights comprise a GRP double skin profile of weather sheet and internal liner with a transparent tesselating core insulant. GRP comprises polyester resins with a glass fibre reinforcement.
Air zones within insulant core produces a lens effect on ingressing light which gives improved light diffusion with the building.
Insulator factory assembled wall lights are also available providing a nominal 10% improvement on U-values.
Standard product features
Profile thickness:
Nominal 1.2 mm.
Fragility:
Depending on specification, non-fragility classification is Class B when tested in accordance with ACR[M]001: 2005; expected period of non-fragility varies from 5–30+ years.
Weight:
1.8–5.5 kg/m².
Fire:
Fire rating is Class 0.
Light transmission:
0.57+/ -0.04 to 0.46+/ -0.04.
UV protection:
Surface of weather sheet contains enhanced ultraviolet light inhibitors.
Acoustic:
Sound Reduction Index (Rw) – 28 dB.
Service life:
In excess of 25 years.