A one-piece glass reinforced concrete (GRC) headwall with an opening to suit 150 diameter pipe and knockout webs to enlarge to 225 and 300mm diameter pipes.
Can be fitted with close coupled, sloped or cranked gratings as optional extras
Dimensions: Toe depth 150mm with a nominal wall thickness of 20mm
Approximate weight 150kg.
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Product information.
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installation guide
It is recommended that the unit should be bedded on 100mm of dry mix concrete. The drainage pipe to be entered through approximately 50mm and the gap around the pipe to be filled with cement mortar. If increased strength is required, we recommend the use of concrete as backfill material.
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