Wavin Plastics Ltd. Osma road gullies
Roads and Bridges Certificate
Roads and Bridges Certificate 05/R139
Relates to OSMA road gullies, which are designed to be used as trapped or untrapped road gullies for direct connection to plastic pipe systems.
Drainage below ground
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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.