Considerations for designers to ensure the long term durability of in-plane rooflights by eliminating or reducing the hazard of using materials of a fragile nature; and guidance on specifications to reasonably expect non-fragility to be maintained for 25 years.
Supersedes the 2013 edition.
Developing standards and codes of practice in the provision of natural light in built environments, NARM represents UK designers and manufacturers of rooflights from polycarbonate domes and barrel vaults, to GRP factory rooflights and structural glass skylights and atria. Now known as The Rooflight Association.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
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