NRCA Roofing Manual Metal Panel and SPF Roof Systems 2024

The 2024 edition of the NRCA manual is a definitive, up-to-date guide for metal panel and SPF roofing. It delivers in-depth technical guidance, detailed construction drawings, applicable code references, and improved design/installation protocols. Whether you’re designing, installing, inspecting, or educating, this manual is an essential resource for achieving best-in-class outcomes in these roofing systems. It’s recognized as the industry “bible” for metal panel and SPF roofing, central to spec writing, installation, and inspection—endorsed by both NRCA and roofing professionals.

The manual is split into two primary sections:

Metal Panel Roof Systems

• Covers low- and steep-slope applications.
• Includes best practices for substrates, architectural metal panel systems, and structural metal panel roof systems.
• Contains 120 detailed construction drawings illustrating everything from panel fastening to flashing configurations.

Spray Polyurethane Foam (SPF) Roof Systems

• Focuses on materials, design considerations, and application guidance.
• Contains 72 construction details, including specialized drawings for reroofing and fleece-backed membrane systems.
• Both sections include appendices that cross-reference local building codes relevant to metal panels and SPF installations.

About NRCA

Developed by the National Roofing Contractors Association (NRCA), a leading trade association representing all segments of the roofing industry. The NRCA serves as the principal authority and advocate for the roofing industry, providing information, education, technology, and advocacy to help members serve their customers effectively.

Other Works:

• The NRCA Roofing Manual – Box Set
• NRCA Roofing Manual Steep Slope Roofing Systems 2025
• Repair Manual for Low-Slope Membrane Roof Systems