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Putting mod bit to the test

Abstract
NRCA and the Midwest Roofing Contractors Association (MRCA) have conducted limited testing of polymer-modified bitumen sheet products. The tests' results show some products do not comply with applicable plysical property requirements, which is cause for concern.
Date
5/2012
Author(s)
Mark Graham
Page(s)
12
Source
Professional Roofing / National Roofing Contractors Assn
Keyword(s)
polymer-modified bitumen; test results; mrca

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