Relates to a sliding patio door system, framed in white PVC-U with sealed double-glazed units; for external use on a secondary access door. Key factors assessed were thermal properties, weathertightness, basic security against intrusion and durability.
Date of first issue: 8th August 2017. Originally certificated on 13th June 1994.
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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