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Core Supplement
Certificate
Relates to a cold liquid-applied, unsaturated polyester roof waterproofing membrane reinforced with polyester fleece; for use on limited access flat or pitched roofs, and balconies, terraces and podiums. Key factors assessed were weathertightness, properties in relation to fire, adhesion, resistance to foot traffic and root penetration, and durability.
Superseded by the fourth issue, dated 18th June 2021. Date of third issue: 12th December 2018. Supersedes the second issue, dated 23rd June 2016. Originally certificated on 18th May 1995.
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.
We connect trusted knowledge to customers' workflows – mitigating risk, increasing efficiency and accelerating innovation For more than 60 years, leading R&D and engineering-intensive organizations have relied on us to achieve on-time, on-budget delivery of complex projects and new products. We deliver an unparalleled combination of technical content and Artificial Intelligence (AI) technologies to surface answers from the vast universe of technical knowledge, both inside and outside the organization. In a single interface, we connect the dots between information scattered across many different sources, allowing technical professionals to make better, more informed decisions faster.