DSCAPESARCH

GENERAL  One of the essential requirements of a building is that it should be dry. Dampness in building may occur due to bad design, faulty construction and use of poor quality of materials. Dampness not pnly affects the life of the building adversely, but also creates unhygenic conditions for the occupants. Hence, treatment to check dampness is considered to be one of the important items of work in the construction of a building. The treatment given to prevent leakage of water from roof is generally termed as water-proofing, whereas the treatment given to keep the walls, floors and basement dry is termed as damp-proofing. There is a distinct difference between damp-proofing and waterproofing. Damp-proofing is intended to keep out soil moisture while waterproofing keeps out both moisture and liquid water. Damp-proofing is a coating, usually asphalt-based, that is either sprayed on or hand applied to the outside of the wall. DEFECTS CAUSED BY DAMPNESS  The various def...