Specifying modified bitumen sheet products

Abstract
Currently, there are more than 900 polymer-modified bitumen sheet products available in the U.S. market for use in low-slope membrane roof systems. There are 26 ASTM International standard types and grades for these products. As a result, comparing and properly specifying polymer-modified bitumen sheet products can be challenging.

Date
1/2019

Author(s)
Mark Graham

Page(s)
20-22

Source
Research+Tech

Keyword(s)
ASTM; standards; materials; modified; bitumen

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