Delta PT is a High Density Polyethylene (HDPE) cavity drain membrane. Delta PT has been designed to incorporate a plastic mesh which is welded to the surface of this dimpled sheeting membrane.
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Suitable as an impermeable damp proofing base for plaster or shotcrete (and as a water control and drainage membrane) in tunnel construction or for remedial damp proofing and waterproofing of existing basements internally.