Certificate 18/5521 Marley Eternit Ltd. Marley Eternit breathable underlays. Marley Eternit universal vapour permeable underlay. For use in warm non-ventilated and cold ventilated roofs. Product sheet 1
Publication Year
2018
Document Status
Withdrawn
Abstract
Relates to a water vapour permeable film and two layers of nonwoven polypropylene fabrics, for use in warm non-ventilated and cold ventilated pitched roof systems. Key factors assessed are weathertightness, risk of condensation, wind loading, strength and durability.
Document History
Certificate withdrawn 8th August 2019. Date of first issue: 7th June 2018.
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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