Surface Water Drainage
A surface water drainage or culvert pipe is available in diameters from 100mm up to 3500mm. They are manufactured using 100% recycled high density polyethylene, and extruded by a twin extrusion process. This is when two layers are simultaneously extruded, giving the pipe a corrugated outer wall and smooth inner wall. It is highly durable and can be buried between 0.5 & 10 metres deep. It is used extensively on large commercial surface water drainage projects such as highway schemes or extensively within agriculture; farmyard & gateway drainage systems.
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