Roof Slab Waterproofing Details

On completion of waterproofing membrane and before undertaking any further activity it shall be tested by plugging the outlets and flooding 50mm above the highest point by hose and leaving flooded for twenty four hours before draining off.

Roof slab waterproofing details.

When waterproofing concrete a topical sealer is applied to the surface of the concrete. Of the most critical areas of roofs especially when the waterproofing system. Being trapped between the reinforced concrete roof structure and membrane. This is one of the common causes of flat roof waterproofing failure.

One of the most critical details on remedial applications is the tie in detail between the existing waterproofing application. Winkler one is a high performance waterproofing solution for flat roofs that encompasses all the positive features of a liquid applied roof system. Topical sealers can be made from acrylic epoxy and polyurethane based materials. Typical waterproofing details of foundations above the roof slab shall be followed as per approved shop drawing.

Waterproofing bituminous sheets applied in either single or multiple layers are one. The sealer is impermeable provided it is applied correctly and forms a waterproof membrane around the concrete preventing moisture from entering the concrete. Waterproofing bituminous sheets used in low slope roofs. Large amount of water vapour can evaporate from reinforced concrete or a wet screed.

Once the waterproofing membrane is laid drying out of the structural slab will mostly take.