ARCAT Free Architectural CAD drawings, blocks and details for download in dwg and pdf formats for use with AutoCAD and other 2D and 3D design software. By downloading and using any ARCAT CAD detail content you agree to the following [license agreement].


    • S-01a - Identification of Roof Areas and Components
      download: DWG view: PDF
    • S-01b - Basic Shingle Course - 3 Tab Strips - Marathon (All Styles)
      download: DWG view: PDF
    • S-01c - Basic Shingle Course - Laminated - Cambridge and Dynasty
      download: DWG view: PDF
    • S-01d - Basic Shingle Course - Armourshake
      download: DWG view: PDF
    • S-01e - Basic Shingle Course - Royal Estate
      download: DWG view: PDF
    • S-01f - Basic Shingle Course - Crowne Slate
      download: DWG view: PDF
    • S-02a - Shingle Application Over Underlayment Centered Through Valley
      download: DWG view: PDF
    • S-02b - Shingle Application Over Underlayment Woven Through Valley
      download: DWG view: PDF
    • S-02c - Ice Dam Protection Membrane Through Valley and at Eave
      download: DWG view: PDF
    • S-03a - Drip Edge Metal at Rake and Downslope Eave Edge
      download: DWG view: PDF
    • S-03b - Drip Edge Metal with Gutter
      download: DWG view: PDF
    • S-03c - Drip Edge Metal at Rake with Winged Gutter
      download: DWG view: PDF
    • S-04 - Staggered Course Method with Drip Edge Metal
      download: DWG view: PDF
    • S-05 - Half Bond Method Marathon with Drip Edge Metal
      download: DWG view: PDF
    • S-05b - Application Dynasty/Cambridge with Drip Edge Metal
      download: DWG view: PDF
    • S-05c - Application Armourshake with Drip Edge Metal
      download: DWG view: PDF
    • S-05d - Application Royal Estate with Drip Edge Metal
      download: DWG view: PDF
    • S-05e - Application Crowne Slate with Drip Edge Metal
      download: DWG view: PDF
    • S-06a - Open Valley
      download: DWG view: PDF
    • S-06b - Closed Cut Valley
      download: DWG view: PDF
    • S-07 - Soil Pipe Stack (Plumbing Vent)
      download: DWG view: PDF
    • S-08 - Roof Vent
      download: DWG view: PDF
    • S-09 - Step Flashing at Roof to Sidewall Intersection
      download: DWG view: PDF
    • S-10 - Apron (e.g., Headwall) and Step Flashing at Dorner (e.g., Sidewall)
      download: DWG view: PDF
    • S-11a - Metal Clad Chimney with Backer Flashing
      download: DWG view: PDF
    • S-11b - Cement Plaster Clad Chimney with Flashings
      download: DWG view: PDF
    • S-11c - Masonry Chimney with Flashings
      download: DWG view: PDF
    • S-11d - Wood Clad Wall with Flashings
      download: DWG view: PDF
    • S-12 - Skylight Flashing
      download: DWG view: PDF
    • S-13a - Ridge Cap (Ventilated)
      download: DWG view: PDF
    • S-13b - Ridge Cap (Non-Vented)
      download: DWG view: PDF