Current
Core Supplement
Certificate
Relates to aluminium ground level conservatories with white or woodgrain PVC-U internal and external cladding, occupying a maximum floor area of 30 square metres. Key factors assessed were strength and stability, weathertightness, ventilation and solar heat gain, thermal insulation, condensation risk and durability.
Date of first issue: 17th May 2017. Originally certificated on 9th September 1996.
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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