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ESTEEMED GUIDANCE

Abstract
Earlier this year, NRCA published The NRCA Roofing Manual: Steep-slope Roof Systems—2021. The manual provides best practices and technical information related to the design, materials and installation techniques applicable to steep-slope roof systems. It is the most recent volume of The NRCA Roofing Manual, a four volume set providing time-tested roof system guidelines collected from knowledgeable, practicing roofing contractors and manufacturers across North America.
Date
3/2021
Author(s)
Glen Clapper
Page(s)
34-37
Source
Professional Roofing / National Roofing Contractors Assn
Keyword(s)
manual; roofing; systems; steep-slope; ASTM

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