Manufacturer Specs

Installation requirements and product specifications from major manufacturers. Use these to support supplement line items with manufacturer documentation.

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What’s in the Library

Our manufacturer specs library is organized by trade and updated as new products and installation requirements are released.

Roofing

  • Asphalt Shingle Manufacturers
  • Metal Roofing Systems
  • Tile and Slate
  • Flat/Low-Slope Systems
  • Underlayment and Ice & Water Shield

Siding

  • Vinyl Siding
  • Fiber Cement (James Hardie, etc.)
  • Engineered Wood
  • Metal Siding and Panels

Windows and Doors

  • Window Manufacturers
  • Impact-Rated Windows
  • Exterior Door Systems
  • Sliding and Patio Doors

Gutters and Accessories

  • Gutter Systems
  • Downspouts and Drainage
  • Fascia and Soffit
  • Ventilation Products

Discontinued Product Letters

Official manufacturer discontinuation notices for shingles, roofing tiles, siding, windows, and skylights.

Asphalt Shingles

Commercial Roofing

Roofing Tiles

Siding

Skylights & Roof Windows

Windows

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