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Certificate 08/4520 Mercury Building Products Ltd. VapR-non-breatheable roof tile underlay

Publication Year

2008

Document Status

Withdrawn

Abstract

Relates to VapR-Non-Breatheable Roof Tile Underlay for use in tiled and slated ventilated pitched roofs in unsupported applications. The product is manufactured by thermally bonding two spunbonded polypropylene fabrics with a non-breathable polyolefin film in the middle to form a waterproof membrane. Assesses weathertightness, wind loading, strength and durability.

Document History

Product sheet 1 - date of 1st issue: 22nd February 2008. Withdrawn.

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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