Standards for polymer-modified bitumen sheet products

Abstract
Polymer modified bitumen membrane shets have been used in the United States for more than 20 years but the development of standards has been slow. This article highlights several new consensus-based material standards that provide roofing professionals recognized minimum physical properties for polymer modified bitumen sheet products.

Date
9/1998

Author(s)
Mark Graham

Page(s)
49

Source
Professional Roofing / National Roofing Contractors Assn

Keyword(s)
standard; polymer modified bitumen; test method; APP; SBS; package labeling

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