New guidance on non-fragility for specifiers of in-plane rooflights
NARM, The National Association of Rooflight Manufacturers, has issued a guidance document covering non-fragility, for specifiers of in-plane rooflights. NARM, The National Association of Rooflight Manufacturers, has issued a guidance document covering non-fragility, for specifiers of in-plane rooflights. There are two commonly used materials for in-plane rooflights: GRP (Glass Reinforced Polyester) and Polycarbonate. GRP offers…
