ROSEMONT, Ill. — The National Roofing Contractors Association (NRCA) has released an updated volume of The NRCA Roofing Manual, The NRCA Roofing Manual: Metal Panel and SPF Roof Systems—2012. The volume, which updates and replaces The NRCA Roofing Manual: Metal Panel and SPF Roof Systems—2008, serves as a reference for contractors, architects and roof consultants. It provides comprehensive information, including design, materials and installation techniques, applicable to metal panel and spray polyurethane foam (SPF) roof systems used in low- and steep-slope applications.

The manual's Metal Panel Roof Systems section includes guidelines applicable to metal and metal panel roof systems, substrates, architectural metal panel systems and structural metal panel roof systems, as well as 91 construction details. The SPF Roof Systems section includes information about materials, application, and design considerations and guidelines, as well as 41 construction details, including SPF reroofing details.

NRCA is offering a special discount on The NRCA Roofing Manual, The NRCA Roofing Manual: Metal Panel and SPF Roof Systems—2012. Until March 31, new and current NRCA members who have paid their 2012 membership dues are eligible to receive the volume for $95; after March 31, it will be $125. The volume is $195 for nonmembers. For more information and to order the manual, go to shop.nrca.net or contact NRCA's Customer Service Department at (866) ASK-NRCA (275-6722) or info@nrca.net.

For more information, visit www.nrca.net.