NRCA has been the professional voice of its members since 1886. With more than 3,600 members, NRCA is the leading authority in the roofing industry for information, education, technical assistance, advocacy, publications, programs and support that help your business grow.
The stand-alone version of the 2018 NRCA Roofing Manual provides information regarding moisture and air leakage issues in buildings such as ventilation for steep-slope roof assemblies and condensation control for low-slope roof systems.
NRCA's One Voice initiative focuses on one simple idea: Unite the roofing industry and speak with one voice about
matters critical to the industry's continued success. NRCA invites manufacturers, distributors, architects,
engineers, consultants and service providers to fully engage with NRCA, as partners, and actively address the
industry's most pressing issues.