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.
NRCA's Technical Services is responsible for coordinating and developing NRCA's technical activities and research programs. Directed by NRCA's Technical Operations Committee, which establishes NRCA's technical programs and priorities, Technical Services provides technical support to NRCA members and the roofing industry.
NRCA's technical activities are conducted by seven NRCA technical committees and task forces.
The technical information contained on NRCA's website is adapted from various technical publications written by NRCA's technical committees, task forces and technical services staff. Additional information periodically will be added to this section, so please visit it frequently.
Technical Service Staff
Click on a name for contact information, a brief biography and links to their Professional Roofing articles.
Technical Schedule
Consumer Information
NRCA provides a wide range of information and services to help homeowners and building owners make informed decisions about replacing and maintaining their roof systems.
Shop-Fabricated Edge Metal Testing
ANSI/SPRI ES-1, "Wind Design Standard for Edge Systems Used with Low Slope Roofing Systems," is a standard addressing the design wind loads and wind resistances testing of edge metal systems, except gutters, used to secure the perimeters of low-slope membrane roof systems.
The NRCA Roofing Manual—2019 Boxed Set
NRCA's premier technical publication gives you the most current and useful technical information in the roofing industry.
ASCE 7-16 Revisions and Wind-uplift Design
Mark S. Graham, NRCA’s vice president of technical services, explains the roofing-related changes to ASCE 7-16 and the effect they will have on roof system design.
On the Edge
You should be aware drip edge requirements and guidelines vary for steep-slope roof assemblies.
—Professional Roofing June 2019
Technical Glossary
Search NRCA's glossary of roofing terms for information by roofing term or browse by letter.
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