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Roofing material is the outermost layer on the roof of a building, sometimes self-supporting, but generally supported by an underlying structure.

(a) True

(b) False

I had been asked this question during an internship interview.

I need to ask this question from Roof Covering, Sloping Roof & Flat Terraced Roof in chapter Rules and Methods of Measurement of Civil Engineering Drawing

1 Answer

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Best answer
Right choice is (a) True

The best explanation: A building’s roofing material provides shelter from the natural elements. The outer layer of a roof shows great variation dependent upon availability of material, and the nature of the supporting structure. Those types of roofing material which are commercially available range from natural products such as thatch and slate to commercially produced products such as tiles and polycarbonate sheeting. Roofing materials may be placed on top of a secondary water-resistant material called underlayment.

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