Roof Slab Waterproofing Details

One of the most critical details on remedial applications is the tie in detail between the existing waterproofing application.

Roof slab waterproofing details.

Winkler one material cost may be higher than some liquid applied membranes however the labor cost to apply it is lowered due to the reduced time of application steps and the details treatment efficacy. This is one of the common causes of flat roof waterproofing failure. Winkler one is a high performance waterproofing solution for flat roofs that encompasses all the positive features of a liquid applied roof system. Once the waterproofing membrane is laid drying out of the structural slab will mostly take.

Being trapped between the reinforced concrete roof structure and membrane. The sealer is impermeable provided it is applied correctly and forms a waterproof membrane around the concrete preventing moisture from entering the concrete. Topical sealers can be made from acrylic epoxy and polyurethane based materials. Unauthorized entry shall be restricted to the waterproofing areas.

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. Perimeter foundation insulation is required in colder climates to reduce the heat loss from a slab on grade to the below grade foundation wall. 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.

Large amount of water vapour can evaporate from reinforced concrete or a wet screed.