Which type of DPC recommended for the protection of dampness?
For residential buildings DPC consists of a layer of
40 mm thick cement concrete 1:2:4 (1 cement: 2 Coarse sand: 4 graded stone aggregate 12.5 mm nominal size ).
50 mm thick cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 20 mm nominal size).
This layer is used with water proofing compound. The DPC must extend the full width of the wall. It must be continuous for the whole length of the building. There should be no construction joint in the damp proof course. The DPC is not carried across doorways, verandah arches and similar openings.
The dried surface of the DPC properly cleaned and painted with the two coats of hot bitumene @ 1.7 kg per sq. meter allover.
Dampness causes most of the damage to the contents of the building. It often leads to the growth of molds and bacteria and creates an unhealthy environment for those who occupy it. Dampness gradually impairs the affected part of the building so this problem should be attended as soon as possible.
Dampness in building or house may cause most of the damage to the components of the building or house. Dampness often leads to the growth of molds, mites and bacteria that creates an unhealthy environment and causes health problems. Damp proofing with the help of chemicals may protect your house.
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