Type of Damp Proofing

Damp Proofing is a most frequently problems encountered in the home and commercial buildings. Damp proofing is used in the absence of hydrostatic pressure and is intended to protect the interior surface of foundation walls from water vapor diffusion, caused by temperature and humidity differentials, and the wicking of moisture through the wall by capillary action. The different type of damp proofing methods, are as follows.


Integral damp proofing – Some water proofing compounds are mixed in ordinary concrete to fill up the voids of concrete. Some of patented water proofing compounds available in the market.  They are mixed in certain specified percentage. This makes concrete water proofing

Membrane damp proofing – it is necessary tom use a dpm under , in or on top of ground supported concrete floor slabs as effective barrio to moisture rising from the ground. The membrane should be continuous with the damp proof course in walls to prevent moisture rising between the edge of the concrete slab and walls.

Cavity wall construction – Today’s, cavity wall construction is mostly used a damp proofing prevent the building from dampness.

Guniting – The guniting  is used for reconditioning old brick, stone or concrete works which have deteriorated due to climate condition or inferior workmanship.

Surface treatment for damp proofing – surface treatment is done to fill up the voids of the surface of the facing walls. Pains, varnishes, cement coating, bituminous solution, calcium olets and strearates, ect. Are used for surface treatment.


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