Current
Core Supplement
Certificate
Relates to an eaves gutter system - coated aluminium gutter lengths, fixing hangers and ancillary items for use in the discharge of rainwater from pitched roofs. Key factors assessed were performance of joints, resistance to loading, flow characteristics and durability.
Third issue, dated 12th May 2020. Supersedes the second issue, dated 15th March 2016. Originally certificated on 27th March 1991.
The British Board of Agrément have been providing authoritative and independent information on the performance of building products for over 40 years. The certificates they produce contain data on durability, installation and compliance with Building Regulations.
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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