HEATKEYS

Architectural information on building materials, manufacturers, specifications, BIM families and CAD details.

CAD Blocks FREE! Download FREE CAD Blocks from a variety of categories and CAD disciplines. Browse before you download as all of our CAD Blocks have detailed thumnail views!

Penn Engineering & Manufacturing Corp. is the parent of PennEngineering, PennEngineering Automotive Fasteners and 3V Fasteners Company, Inc. PennEngineering companies provide fastener and fastener installation design and product solutions worldwi...

A quick and easy way to find architectural and construction information for USG building products and systems.

Search, select & download from millions of 2D/3D free CAD drawings from leading component manufacturers

GrabCAD - a free CAD model library with 2D / 3D CAD files available for software like SolidWorks, AutoCAD, Autodesk Inventor, Solid Edge, SketchUp etc.

Hilti is a global leader of value-added, top-quality products for professional customers in the construction and building maintenance industries.

Download FREE manufacturer specific 2D CAD content

Vlier provides the highest quality spring loaded devices, ball plungers, leveling mounts and mechanical components to aerospace, automotive and other major industries.

Garage doors from Overhead Door made for residential homes and commercial access. 

Learn about the advantages of BASF spray polyurethane foam (SPF) building insulation, air barrier and roofing systems for homes and commercial buildings.

Autodesk is a world leader in 3D design software for manufacturing, building, construction, engineering, and entertainment. Since introducing AutoCAD in 1982, Autodesk has developed a broad portfolio of 3D CAD software programs to help users visualiz...