ARCAT BIM content - Architectural Building Information Modeling (BIM) objects / families / system files, free to download in revit or dwg formats for use with all major BIM and CAD software including AutoCAD, Sketch-Up, ArchiCAD and others. Formats: RFA- Revit Object | RVT- Revit System | DWG- AutoCAD, Sketchup - all CAD software By downloading and using any ARCAT CAD detail content you agree to the following [license agreement]. 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.

Ladders: Alt-Tread: AT-1
Ladders: Alt-Tread: AT-2

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Attic Stairs: LMS – Steel ladder with Sealed and Insulated door R=5.2, ANSI Tested, 350 lbs. Load Capacity
Attic Stairs: LSF - Fire Rated, Insulated 60 min by EN 1364-1, Scissor ladder

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