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NRCA Releases 2020 Roofing Manual Set

Thursday, April 2, 2020

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The National Roofing Contractors Association made available late last week its 2020 NRCA Roofing Manual, a set that contains four volumes.

“The NRCA Roofing Manual provides extensive information about design, materials and installation techniques applicable to almost all roof system types,” the organization said in an emailed press release.

This year, the manual contains:

Metal Panel and SPF Roof Systems—2020: The Metal Panel Roof Systems section includes guidelines applicable to metal and metal panel roof systems, substrates, architectural metal panel systems and structural metal panel roof systems in addition to 84 construction details. The SPF Roof Systems section includes information about materials, design considerations, application and design guidelines, as well as 72 construction details, including SPF details for reroofing and roof systems with fleece-backed membranes.

Membrane Roof Systems—2019: The manual includes information about roof decks, air and vapor retarders, rigid board insulation, roof membranes, fasteners, surfacing, accessories, roof system configurations and roof re-coverings. Also included are 205 construction details for built-up roof membrane, polymer-modified bitumen, liquid-applied, EPDM and thermoplastic membrane roof systems.

Architectural Metal Flashing and Condensation and Air Leakage Control—2018: The manual contains information about the design, materials and installation techniques applicable to architectural sheet-metal components and includes 60 construction details. In addition, it provides background 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.

Steep-slope Roof Systems—2017: This manual features five sections:

  • The Asphalt Shingle Roof Systems section includes 20 construction details;
  • The Clay and Concrete Roof Systems section includes 73 construction details;
  • The Metal Shingle Roof Systems section includes 19 construction details;
  • The Slate Roof Systems section includes 21 construction details; and
  • The Wood Shake and Wood Shingle Roof Systems section includes 72 construction details.

Hard copies, generally, can be purchased here. However, because of restrictions imposed due to the COVID-19 pandemic, shipping of the manual has been suspended until further notice. You can still download the set in electronic format here.


Tagged categories: Associations; Good Technical Practice; NA; National Roofing Contractors Association (NRCA); North America; Regulations; Roofing contractors

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