The NRCA Roofing Manual – Metal Panel and SPF Roof Systems 2024 delivers comprehensive, authoritative guidance across two major roofing technologies for both low‑slope and steep‑slope applications:

Metal Panel Roof Systems

• Design & material guidance for metal panel roofing systems
• Substrate requirements and solutions
• Architectural and structural metal panel systems
• Detailed instruction with 120 construction details

Spray Polyurethane Foam (SPF) Roof Systems

• In-depth coverage of materials, design considerations, and application methods

• Guidelines for fleece‑backed membrane assemblies and re‑roofing scenarios
• Accompanied by 72 construction details

• Design and Specification

Helps architects and contractors choose appropriate roof system configurations for new construction, replacement, or re-cover projects.

Offers detailed drawings and component lists to guide design decisions.

Includes code compliance guidelines and load determination methods for snow guards and structural supports.

• Installation Techniques

Provides step-by-step instructions for installing architectural and structural metal panels, including fasteners, substrates, and accessories.

Covers SPF application methods over various substrates like concrete, steel, and rigid insulation, with protective coatings or fleece-backed membranes.

• Maintenance and Repair

Offers construction details for common perimeter and penetration conditions, aiding in routine inspections and repairs.

Supports long-term performance by outlining best practices for surfacing and accessory integration.

• Compliance and Standards

Aligns with the 2021 I-Code family of building codes and updated industry standards, ensuring projects meet current regulatory requirements.

Replaces outdated terminology and thickness specifications with decimal-based steel measurements for clarity and consistency.

• Training and Reference

Serves as a training tool for roofing crews and consultants to understand system components and installation nuances.

Acts as a technical reference for resolving on-site challenges and ensuring quality control.

If you’re working in roofing design, construction, or consulting, this manual is like having a seasoned expert on hand. Want help applying it to a specific project or scenario?

 The NRCA Roofing Manual: Metal Panel and SPF Roof Systems—2024 is a key resource for licensing exam preparation in the roofing industry. It’s widely recognized as a technical reference for contractors seeking certification or licensure, especially in states that require knowledge of roofing systems.

This volume provides a complete reference resource for:

• System design principles
• Material selection
• Installation best practices
• Detailed construction drawings
• Updated codes and standards

Ideal for contractors, architects, roofing consultants, and specifiers seeking detailed, field-ready information on both metal panel and SPF roofing systems.