1. PDF
   DocumentGAF Residential Consumer ServicesInstallation & Repair

   GAF TAB-R-178: Mixing New and Aged Asphalt Shingles

   GAF's bulletin on whether new shingles can be used to repair an aged roof — it allows it when dimensions and exposure match, warns that a perfect color blend is "not likely," forbids trimming…

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2. 
   VideoPolyglass USA Inc

   Low-Slope Roof Self-Adhered Cap Sheet Installation

   Polyglass USA Inc — from the Low-slope, TPO & EPDM shelf of the video library.

3. 
   VideoMcElroy Metal

   Maxima Standing Seam Metal Roofing Installation | McElroy Metal

   McElroy Metal — from the Metal & standing seam shelf of the video library.

4. PDF
   DocumentMetal Panels Inc.Installation & Repair

   StrongSeam AG Panel Through-Fastener Installation Manual

   Metal Panels Inc.'s 38-page installation manual for through-fastened AG panels: design guidelines, storage and handling, panel and trim installation sequence, accessories and load tables, with the UL…

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5. 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.

6. ReferenceIndustry Directory

   Tile Roofing Industry Alliance (TRI Alliance)

   An association of manufacturers, suppliers and professional roofing contractors "dedicated to advancing the craft of tile roofing," active in code development, testing and installation best…

7. 
   VideoMalarkey Roofing Products

   How to Install Laminate Architectural Shingles by Malarkey Roofing Products

   Malarkey Roofing Products — from the Shingle installation shelf of the video library.

8. 
   VideoGAF Roofing

   How to Install Starter Strip Roofing Shingles | Mastering the Roof by GAF

   GAF Roofing — from the Shingle installation shelf of the video library.

9. 
   VideoGAF Roofing

   How to Nail Roof Shingles | Mastering the Roof by GAF

   GAF Roofing — from the Shingle installation shelf of the video library.

10. 
    VideoIKO North America

    Nailing Shingles Properly - How to Nail Roof Shingles - IKO

    IKO North America — from the Shingle installation shelf of the video library.

11. ReferenceIndustry Directory

    Westlake Royal Roofing Solutions

    Westlake Royal Roofing Solutions is the roofing division of Westlake Royal Building Products, with a portfolio spanning concrete, clay, stone-coated steel and composite roof systems.

12. ReferenceIndustry Directory

    National Women in Roofing (NWiR)

    A 501(c)(6) non-profit, volunteer-driven organization that "supports and advances the careers of women roofing professionals" across field work, manufacturing, sales, design, installation and…

13. ReferenceCost Guide

    Roof Replacement Cost

    Full tear-off and re-roof in architectural asphalt shingle — the job most homeowners mean when they say "new roof". Priced per square, with the size assumptions shown.

14. 
    VideoJohns Manville Roofing Systems

    EPDM Seam Installation

    Johns Manville Roofing Systems — from the Low-slope, TPO & EPDM shelf of the video library.

15. PDF
    DocumentGAF Technical ServicesInstallation & Repair

    GAF TAB-C 2015-31: Repairing Hail Damage to Granule-Surfaced Membranes

    GAF's commercial technical advisory bulletin on hail that scours granules off a granule-surfaced membrane: what to inspect for, when coating the membrane is an acceptable repair, and the Diamond…

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16. PDF
    DocumentGAF Technical ServicesInstallation & Repair

    GAF TAB-R 2017-164: Underlayment Requirements for Hips and Ridges on a Single-Plane Repair

    One-page GAF bulletin on how underlayment must be lapped over a hip when only one roof plane is being replaced, including removing end nails on the adjacent plane and re-nailing — the detail that…

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17. ReferenceIndustry Directory

    EagleView

    EagleView provides aerial imagery, property measurement reports and 3D property models used for roof measurement and estimating. It is headquartered in Rochester, New York with additional offices in…

18. ReferenceIndustry Directory

    Evergreen Slate Company

    Evergreen Slate has produced and supplied natural Vermont roofing slate since 1916 from Middle Granville, New York. It offers a range of slate colors, sizes, textures and pre-selected color blends.

19. ReferenceIndustry Directory

    Ludowici

    Ludowici has manufactured architectural terra cotta roof tile in New Lexington, Ohio since 1888. Products are made from 100% clay with no petroleum-based or synthetic additives.

20. ReferenceIndustry Directory

    EcoStar LLC

    EcoStar manufactures synthetic slate and shake roofing tiles made of up to 80% recycled plastics and rubbers, from Holland, New York. The business is family-owned.