Compare and contrast

Abstract
Building owners and roof system designers who are comparing two or more roof membrane types often ask the NRCA Technical Services team: “Which is better?” The applicable ASTM International product standard and manufacturers’ product literature help make such determinations. To illustrate the point, I will use PVC and KEE as examples.

Date
11/2023

Author(s)
Mark Graham

Page(s)
20-22

Source
Professional Roofing / National Roofing Contractors Assn

Keyword(s)
PVC; membranes; plasticizers; stabilizers; KEE

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