The National Roofing Contractors Association (NRCA) and the Asphalt Roofing Manufacturers Association (ARMA) have released Quality Control Guidelines for the Application of Asphalt Shingle Roof Systems. The booklet is intended to provide guidance, based on technical knowledge from experienced asphalt shingle manufacturers and installers, for the on-site evaluation of asphalt shingle roof system applications.
The booklet provides visual examination evaluation criteria for a roof substrate surface, underlayment, drip edge, fasteners, asphalt shingles and flashings.
Quality Control Guidelines for the Application of Asphalt Shingle Roof Systems is $10 for NRCA members and $20 for nonmembers. For more information or to purchase the booklet, visit shop.nrca.net or contact NRCA's Customer Service Department at (866) ASK-NRCA (275-6722) or info@nrca.net.
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