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External Membrane Type A

Type A waterproofing systems are barrier membranes or waterproof coats are applied directly to the building structure. The membrane can be applied inside or outside the building to prevent fee water entering the building.

Service information

Details

Examples of barrier membranes applied to the positive side of the building, (the outside of a building is known as the “positive” side and the inside is known as the “negative” side) are bonded sheet membrane, sodium bentonite matting and liquid applied coatings (cementitious/bitumen or polymer). On the negative side of the building, in the lower section beneath the ground, similar approaches can be adopted to hold water back. Examples of these are cementitious coatings and bitumen or polymer-based liquids applied via spray, trowel, brush or roller.

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If you would like to find out more information about our services or have any questions you would like us to answer.

Preventive waterproofing means perfection right down to the smallest detail

Concept design

RASCOR’s engineers analyze the waterproofed scheme in terms of structural design, groundwater/gravitational water conditions, and facility size.

Detail design

Full responsibility is assumed for key aspects of design, including the minimum shrinkage reinforcement, joint layout and concreting workmanship.

Site operations

Our engineers provide advice on and actively supervise the incorporation of the RASCOR White Tank waterproof concrete basement system.

Monitoring

Quality assurance is essential to the achievement of the agreed standards of workmanship. These activities are performed continuously up to acceptance/handover and the start of the defects liability period.