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Q: Peeling or de-bonding of membranes may happen in which method of waterproofing ?
  • A. Bituminous membrane
  • B. Liquid waterproofing membrane
  • C. Cementitious waterproofing
  • D. Polyurethane liquid membrane
Correct Answer: Option D - Polyurethane liquid membrane water proofing method– Polyurethane liquid membrane, waterproofing is used for flat roof areas exposed to weather. This method of waterproofing is costly. Polyurethane liquid membrane may provided greater flexibility. Polyurethane is extremely sensitive to moisture content, so before application, the moisture content of the concrete slab must be carefully evaluated. • The most comfortable height of the riser is 17.5-18.5 cm.
D. Polyurethane liquid membrane water proofing method– Polyurethane liquid membrane, waterproofing is used for flat roof areas exposed to weather. This method of waterproofing is costly. Polyurethane liquid membrane may provided greater flexibility. Polyurethane is extremely sensitive to moisture content, so before application, the moisture content of the concrete slab must be carefully evaluated. • The most comfortable height of the riser is 17.5-18.5 cm.

Explanations:

Polyurethane liquid membrane water proofing method– Polyurethane liquid membrane, waterproofing is used for flat roof areas exposed to weather. This method of waterproofing is costly. Polyurethane liquid membrane may provided greater flexibility. Polyurethane is extremely sensitive to moisture content, so before application, the moisture content of the concrete slab must be carefully evaluated. • The most comfortable height of the riser is 17.5-18.5 cm.