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Technical

NRCA's Technical Services Section is members' resource for technical-related roofing industry issues.

During the year, the technical staff developed the following new technical publications and products:
  • The NRCA Roofing Manual: Steep-slope Roof Systems—2017
  • The NRCA Construction Details: CAD Files—2017
  • The NRCA Roofing Manual—2017 Boxed Set
  • NRCA Guidelines for Asphalt Shingle Roof Systems
  • NRCA Guidelines for Air Retarders in Roof Assemblies
In addition, NRCA's EnergyWise Roof Calculator Online had 297 registered users during the past year, and 719 projects were entered.

NRCA's Roof Wind Designer is an online wind-load calculator intended to provide roofing professionals with an easy way to determine roof systems' design wind loads for many commonly encountered building types subject to code compliance. Roof Wind Designer had 704 registered users during the past year, and 3,679 projects were entered.

Staff represented roofing contractors' interests at International Code Council code hearings, as well as National Fire Protection Association, ASTM International, Underwriters Laboratories Inc., and American Society of Heating, Refrigerating and Air-Conditioning Engineers meetings.

The technical staff also responded to 1,807 requests for technical assistance.



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