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Understanding underlayments

Abstract
Proper underlayment is a critical component for steep-slope roof system performance. Building codes provide minimum requirements for underlayments, but some of these requirements may limit underlayment options.
Date
12/2016
Author(s)
Mark Graham
Page(s)
14
Source
NRCA, National Roofing Contractors Association
Keyword(s)
Proper underlayment, code requirements, careful selection,International Residential Code.

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