Social Sciences, asked by ALONEABHI, 1 year ago

what type of bitumen grade are used for roof treatment

Answers

Answered by pratap1ns1
0
Commenly the bitumen grade of 85/25 or 90/15 Is used in roof treatment.
For instance bitumen grand 85/25 or 90/15 is used for length of roof about one metre and for more than one metre the 115/25 grade is used
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