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__________ is a flexible material and it is easy to lay & is available in rolls of normal wall width.(a) Hot bitumen(b) Metal sheets(c) Mastic asphalt(d) Bituminous feltsThe question was asked in an interview for job.Enquiry is from Dampness topic in chapter Damp Proofing, Water Proofing and Termite Proofing of Construction & Building Materials

Answer»

The CORRECT answer is (d) Bituminous felts

The BEST I can EXPLAIN: The Bituminous felts can accommodates slight moments. But it is liable to squeeze out under heavy PRESSURE and it offers little Resistance to sliding. The material is available in rolls and it should be careful UNROLL, especially in cold weather.



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