Question

Which of the following is not a disadvantage of flat roofs?

(a) They are not appropriate at places of heavy rainfall

(b) A flat roof has a very high self-weight

(c) Location and rectification of a leak in a flat roof is difficult

(d) They require less area of roofing material

This question was posed to me in exam.

I want to ask this question from Flat Terraced Roofing in division Roofing Materials of Construction & Building Materials

Answer 1

Right option is (d) They require less area of roofing material

The explanation: Some of the disadvantages of flat roofs are they are not appropriate at places of heavy rainfall, their self-weight is very high, and location and rectification of a leak in a flat roof is difficult. However, the requirement of a lesser area of roofing material in flat roofs is an advantage.