Xtratherm Ltd. Xtratherm cavity wall insulation. Xtratherm Cavity Therm. Product sheet 1
Certificate 10/4786
Document Status
Current
Supplement
Core Supplement
Series
Certificate
Abstract
Relates to a polyisocyanurate (PIR) board to be used as full fill thermal insulation in new external masonry cavity walls up to 25m high. Key factors assessed were thermal performance, water resistance, condensation risk, behaviour in relation to fire and durability.
History
Fourth issue, dated 3rd May 2017, amended March 2019. Supersedes the third issue, dated 6th June 2014. Originally certificated on 1st October 2010.
Subjects
- Walls/masonry/cavity walls
- Cavity wall insulation
- Building structure
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
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.