Current
Building Supplement
Guidance Document
Coverage of BS EN 12056-3:2000, which specifies the sizing of guttering and downpipes in the UK, considering rainfall intensity; position, building life and use of eaves gutters; catchment area and outlet/downpipe capacity.
December 2018 edition. Supersedes Information Data Sheet No. 3, July 2012 . First published as Information Data Leaflet No. 03, 2003.
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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