Sika Proof 312 20mtr Membrane System for Weather and Waterproofing

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Description

1. SikaProof®-312 HDPE SG W IN is a unique high performance HDPE based self adhesive fully bonded sheet membrane comprising of a virgin HDPE layer, coated with a high bond strength pressure sensitive adhesive, covered by a weatherproof protective inorganic sand sprinkled layer, and provided with heat weldable selvedge for below ground waterproofing of reinforced concrete structures.
2. It is loose laid onto prepared substrates or formwork before fixing reinforcement and casting concrete. The adhesive layer is activated when the concrete is poured on the surface and forms a permanent bond with the fresh concrete which will prevent the ingress of water around the structure. Reinforcement can be directly laid on top of the membrane and it does not require screed protection.

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