Certificate 86/1643 Wavin Building Products Ltd. Air admittance valves. Osmavent
Publication Year
1986
Document Status
Withdrawn
Abstract
For use within buildings in above ground drainage systems, providing a means of ventilation to the drainage system to prevent the loss of water seals in traps and the consequent release of foul air into the building.
Document History
Replaces - 84/1333.
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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