Certificate 90/2548 DuPont de Nemours (Luxembourg) S.à r.l. Tyvek construction membranes. Tyvek reflex insulating breather membrane. Product sheet 3
Publication Year
2018
Document Status
Withdrawn
Abstract
Relates to a low-emissivity, insulating breather membrane for external walls in timber-frame constructions. Key factors assessed were weathertightness, thermal insulation, risk of condensation, strength and durability.
Document History
Superseded by the eighth issue, dated 2nd March 2021. Date of seventh issue: 8th June 2018, amended February 2019. Originally certificated on 27th September 2004.
Publisher Information
British Board of Agrément
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.
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