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The _________ of lead, Copper and Aluminium can be used as the membrane of damp proofing.

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The _________ of lead, Copper and Aluminium can be used as the membrane of damp proofing.

(a) Metal sheets

(b) Bituminous felts

(c) Mastic asphalt

(d) Hot bitumen

I got this question by my school principal while I was bunking the class.

This interesting question is from Dampness in portion Damp Proofing, Water Proofing and Termite Proofing of Construction & Building Materials

1 Answer

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The correct answer is (a) Metal sheets

To explain: The lead sheet is a flexible material. The thickness of lead sheet should be such that its weight is not less than 200 N/m^2. The lead can be dressed to complex shapes without facture and it possesses high resistant to sliding action.

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