MATERIALS & COATINGS of EXTERNAL WEATHER SHEET
Substrate to be 0.7mm thick steel S22OGD+ZA eutectic Galvalloy hot-dip zinc
coated steel to BSEN1O214:1992. External coating to be Corus UK Limited,
Colorcoat HPS200 plastistol 200 microns thick. Colour-standard SC.
Reverse to have a light gray polyester coating.
Insulation Core
To consist of 45mm thick, closed cell, CFC Free fire rated rigid urethane Loss
Prevention Council grade B Approved insulation.
The auto adhesive properties of the core bond the external and internal sheets
together, and control the panel thickness achieved during manufacture.
Internal Liner Sheet
Substrate to 0.4mm thick Z275 Galvatite hot-dip zinc coated Steel to BSEN1 0147:1992.
Internal coating to be Corus UK Limited, Colorcoat Lining enamel,
22 microns thick. Colour-White.
Reverse to have a light grey polyester coating.
PERFORMANCE
Thermal Insulation
The Panel must have a Thermal transmittance (U value) of 0.44 WIm2K based on
an aged thermal conductivityofo.020W/m2K. |