Steel Building Framing Systems

Every steel building framing system at American Buildings is custom designed and manufactured to meet your unique building needs. Available in virtually any size, in clear span or modular frame, you can enjoy the ultimate design flexibility using the least amount of steel, which maximizes your cost savings. Our in-house engineers custom design your facility using the latest in BIM 3D Modeling technology, giving you a virtual replica of your building, which allows us to accurately depict all structural elements during the design process.

Primary Framing Systems

With American Buildings you have nearly unlimited framing options for your metal building. All framing pieces are clearly identified, and can be scanned using our ShakeoutPro jobsite staging app, to help save you time and money on the jobsite.


Gable Roof Framing System

Gable Roof Framing System

A gable roof system provides a roof with two sloping sides and a ridge.  Available in both clear span and modular (interior columns), as well as with straight or tapered columns, a gable roof framing system is a very economical and flexible design solution.


Single Slope Steel Framing System

Single Slope

A single slope framing system provides a building with one roof surface and single-side drainage. Available in both clear span and modular (interior columns), as well as with straight or tapered columns, a single slope framing system is a very economical and flexible design solution .


Lean-to Steel Framing System

Lean-To

A lean-to provides a cost-effective means of making a building wider by utilizing a single slope system to extend the roof line of a building. A lean-to must be supported on the high side by an adjoining building column.


Secondary Framing Systems

Roof Secondary Structural

American Buildings supplies cold-formed zee, cee, and eave strut section purlins, or open web bar joists, based on the economy of each member, the roof system, product application or by customer choice.

Cee Purlin Detail

Cee Purlin

Zee Purlin

Zee Purlin

Steel Building Eave Strut

Eave Strut

ClearBay Detail

ClearBay® Roof Joist System – American Buildings’ ClearBay roof joist system provides spacious bays of up to 60’, offering the ultimate in versatility and open spaces. ClearBay is supplied by Vulcraft, a leading manufacturer of steel joists whose quality control is unsurpassed in the industry. The ClearBay roof joist system is available with a standard welded bridging, or a bolted option which often leads to faster and more economical construction costs. More About ClearBay


Wall Secondary Structural

Girt conditions refer to the method in which horizontal girts are attached to the exterior columns of your building. American Buildings offers an inset girt where minimum air space is provided between the columns and exterior panels, a flush girt where no space is provided between the columns and exterior panels, which offers the maximum floor space, and a bypass girt which makes a continuous run around the outside of a building’s columns, providing an air space equal to girt depth between the columns and exterior panels.

Flush Girt Condition

Flush Girt

Inset Girt Condition

Inset Girt

Bypass Girt Condition

Bypass Girt

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