The document is split into sections covering the changes regarding design responsibility, structural properties, minimum roof pitch with or without in plane rooflights, safety, insulation, durability, spacer systems, rooflight area and specification, fibre cement, air tightness, gutters and flashings.
The document is split into sections covering the changes regarding design responsibility, structural properties, minimum roof pitch with or without in plane rooflights, safety, insulation, durability, spacer systems, rooflight area and specification, fibre cement, air tightness, gutters and flashings. This guidance document has been written by members of the NFRC Sheeting and Cladding Technical Committee
