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Guide to rooflights for profiled sheeted roofs

Technical Document NTD15

Guide to rooflights for profiled sheeted roofs

Document Status



Core Supplement


Technical Document


Guidance on the use, specification and installation of both in-plane and out-of-plane rooflights with profiled roofing systems, including those made from metal and fibre cement; single skin, built up and composite panel roofs.


To be read in conjunction with BS 5427, Code of practice for the use of profiled sheet for roof and wall cladding on buildings.


Publisher History

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.



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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