Current
Building Supplement
Guidance Document
Guidance on the correct specification of standard and non-standard metal gutter systems to ensure suitability, value, functionality and durability in service. Gutter support methods, good installation practice and environmental issues are also considered.
July 2020 update. Supersedes the December 2018 edition. First published as Information Data Sheet No. 1, May 2013.
Formed in 1994, the Metal Gutter Manufacturers Association represents UK manufacturers of metal gutters.
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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