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Q: Which of the following materials can be used for damp proofing purpose in buildings?
  • A. Hot bitumen
  • B. Mastic asphalt
  • C. Concrete
  • D. All of these
Correct Answer: Option D - The following materials are commonly used for damp proofing– • Flexible materials like hot bitumen, bituminous felts, plastic sheet of lead, copper etc. • Semi rigid material like mastic asphalt and other combination of impervious material. • Rigid materials like impervious brick, stones. • Mortar with water proofing compounds. • Cement concrete with water proofing compounds.
D. The following materials are commonly used for damp proofing– • Flexible materials like hot bitumen, bituminous felts, plastic sheet of lead, copper etc. • Semi rigid material like mastic asphalt and other combination of impervious material. • Rigid materials like impervious brick, stones. • Mortar with water proofing compounds. • Cement concrete with water proofing compounds.

Explanations:

The following materials are commonly used for damp proofing– • Flexible materials like hot bitumen, bituminous felts, plastic sheet of lead, copper etc. • Semi rigid material like mastic asphalt and other combination of impervious material. • Rigid materials like impervious brick, stones. • Mortar with water proofing compounds. • Cement concrete with water proofing compounds.