1. EncyclopediaInstallation

   How to Install a Standing Seam Metal Roof

   Panel layout from the ridge back, floating vs fixed clips, why thermal movement decides your fastening scheme, eave and rake terminations, seaming, and where panel overlap rules actually apply.

2. EncyclopediaVentilation & Code

   Minimum Roof Pitch for Shingles

   The 2:12 floor and the 4:12 line, what low-slope underlayment application actually requires, and the real options below the threshold — rolled roofing, single-ply, metal, or reframing the roof.

3. EncyclopediaMaterials & Products

   Underlayment for a Metal Roof

   Why felt is the wrong answer under a metal panel, what high-temperature self-adhered membrane actually buys you, condensation and the vented vs unvented decision, and how underlayment choice changes…

4. ReferenceIndustry Directory

   Asphalt Roofing Manufacturers Association (ARMA)

   A manufacturers’ trade association that gathers and distributes technical information on asphalt roofing materials to building officials, code authorities and regulatory bodies. Its members are North…

5. ReferenceIndustry Directory

   Atlas Roofing Corporation

   Atlas Roofing Corporation was founded in 1982 and manufactures asphalt shingles, underlayments and polyiso roof and wall insulation. It is headquartered in Atlanta, Georgia and operates four…

6. ReferenceIndustry Directory

   Brava Roof Tile

   Founded in 2008 in Washington, Iowa, Brava manufactures compression-molded composite roofing tiles in shake, slate and Spanish barrel profiles using recycled materials and a mineral-infusion coloring…

7. ReferenceIndustry Directory

   Canadian Roofing Contractors Association (CRCA)

   A national association founded in 1960 that provides guidance on the practical, regulatory, technical and business needs of Canada’s roofing contractors. Members include roofing contractors,…

8. ReferenceIndustry Directory

   Carolinas Roofing and Sheet Metal Contractors Association, Inc. (CRSMCA)

   A regional trade association serving roofing and sheet metal contractors across North and South Carolina through education, safety programs and industry events. It runs an installer certification…

9. ReferenceIndustry Directory

   Chicago Roofing Contractors Association (CRCA)

   A trade association describing itself as "the leading trade association of roofing and waterproofing contractors in Illinois." Membership spans contractors, manufacturers, distributors,…

10. ReferenceIndustry Directory

    Colorado Roofing Association (CRA)

    A statewide trade association founded in 1978 whose stated aim is to "Promote the ethics, education, and image of the roofing industry throughout the State of Colorado." It serves licensed member…

11. ReferenceIndustry Directory

    Cool Roof Rating Council (CRRC)

    A 501(c)(3) non-profit that "develops fair, accurate, and credible methods for evaluating and labeling the radiative properties of roofing and exterior wall products." It serves manufacturers,…

12. ReferenceIndustry Directory

    Eagle Roofing Products

    Eagle Roofing Products manufactures concrete roof tile in flat, low, medium and high barrel profiles from Rialto, California.

13. ReferenceCost Guide

    Flat Roof Replacement Cost

    Single-ply membrane — TPO, EPDM and PVC — plus modified bitumen. Covers whole low-slope roofs and the flat sections over additions, porches and dormers.

14. ReferenceIndustry Directory

    Florida Roofing and Sheet Metal Contractors Association, Inc. (FRSA)

    A Florida statewide trade association for roofing and sheet metal contractors, founded in 1922, that works to "foster and encourage a high standard of business ethics" among members. It also informs…

15. ReferenceIndustry Directory

    Malarkey Roofing Products

    Malarkey Roofing Products was founded in 1956 in Portland, Oregon and manufactures residential and commercial roofing products, including polymer-modified asphalt shingles. It operates plants in…

16. ReferenceCost Guide

    Metal Roof Cost

    Exposed-fastener panel through steel and aluminum standing seam. The widest price band in residential roofing, because "metal roof" covers products that differ by a factor of four.

17. ReferenceIndustry Directory

    Metal Roofing Alliance (MRA)

    A non-profit trade association for the residential metal roofing sector, made up of manufacturers, suppliers, coil coaters, contractors, distributors and media partners. It focuses on consumer…

18. ReferenceIndustry Directory

    Midwest Roofing Contractors Association (MRCA)

    A regional trade association serving roofing and sheet metal contractors through advocacy, professional development and technical standards, describing itself as "The Roofing Contractors Advocate…

19. ReferenceIndustry Directory

    National Roof Certification and Inspection Association (NRCIA)

    A membership body for roof inspectors and certifiers, founded in 1995, that sets inspection standards and issues roof certifications built around a five-zone inspection covering interior, attic,…

20. ReferenceIndustry Directory

    National Roofing Contractors Association (NRCA)

    A national trade association founded in 1886 that describes itself as "the voice of roofing professionals and leading authority in the roofing industry for information, education, technology and…