Relates to co-extruded cellular PVC-U fascia, soffit and barge boards and accessories, for external use at the roofline instead of timber or other conventional materials. Key factors assessed were ventilation, strength and stability, behaviour in relation to fire, durability, and reuse.
Date of sixth issue: 26th February 2019, amended April 2019. Originally certificated on 8 April 2009.
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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