Once the swimming pool had been completed, the Cavity membrane division of Cemplas followed on to deal with water ingress in the plant rooms and vast ventilation tunnels. Using Sika’ s Cavity Drainage System this was applied to cover the walls and ?oors. Once the Cavity Drainage System had been installed, a plaster membrane was applied to the walls, and a screed incorporating a drainage channel was laid over the membrane. A sump was created, and

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