DualProof – Pre-applied membrane

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View the Delta Membranes entry on BPI Visit the Delta Membranes Website A new durable watertight solution for below ground structures. A pre-applied membrane that protects against groundwater ingress as well as gases and chemicals. DualProof is a fully and permanently bonded, composite sheet. It is applied before the steel reinforcement is fixed and the concrete poured. It consists of a sealed …