NRCA

Roofing Guidelines

Led by NRCA's Technical Operations Committee, our Technical Services team develops activities and research programs to support NRCA members and the roofing industry. NRCA roofing manuals keep you up to date on roofing industry standards and building code requirements and provide you with installation and other guidance.

Testing of Shop-fabricated Edge Metal

View details about the ANSI/SPRI/FM 4435/ES-1 and ANSI/SPRI GT-1 standards for wind-resistance testing of edge-metal systems to secure the perimeters of low-slope membrane roof systems.

The NRCA Roofing Manual

The NRCA Roofing Manual provides you with extensive information about the design, materials and installation techniques applicable to almost all types of roof systems.

Roof Wind Designer

Roof Wind Designer is intended to provide users with an easy-to-use means for determining roof systems’ design wind loads for many commonly encountered building types that are subject to building code compliance.

EnergyWise Roof Calculator

EnergyWise Roof Calculator provides a graphical method of constructing roof assemblies to evaluate thermal performance and estimated energy costs under normal operating conditions.

Document Search

Use NRCA’s technical library to access articles and papers related to a specific roofing topic.

Consumer Information

NRCA provides valuable information to consumers regarding roofing materials, roof system damage from weather events and FAQ.