Document Status
Current
Supplement
Core Supplement
Series
Certificate
Abstract
Relates to single top-hung, side-hung and tilt and turn windows and multilight windows, for use in new and existing dwellings, light commercial premises. Key factors assessed were thermal properties, weathertightness, ventilation, unauthorised access and durability.
History
Third issue, dated 5th August 2020.
Supersedes the second issue, dated 4th June 2018.
Originally certificated on 26th March 1998.
Subjects
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Windows and doors
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Plastics windows
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Windows
Publisher History
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.
Information
NBS
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.
Accuris
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