Certificate 04/4166 Cromar Building Products Ltd. Vent 3 breather underlay in non-ventilated pitched roof systems

Publication Year

2004

Document Status

Withdrawn

Abstract

Relates to Vent 3 breather underlay in non-ventilated pitched roof systems, designed as roof tile underlays in tiled or slated pitched roofs. The product prevents the ingress of wind-blown rain or snow, is resistant to tearing during installation and is flexible at low ambient temperatures. It is also permeable to water vapour but will not allow liquid water to pass through. Includes detail sheets: (2) Vent 3 breather underlay in non-ventilated cold pitched roof systems and (3) Vent 3 breather underlay in warm pitched roof systems.

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