Panel Description

Thinshell panels consist of a 2" thick solid concrete skin attached to a 16 gage 2" x 4" steel stud frame system. The overall thickness of this system is typically 7 ½" thick. Studs are placed at 2'-0" on center and typically have 3/8" diameter stainless steel pins welded to the steel frame. These pins have a wire mesh attached that is embedded into the 2" concrete skin. The entire concrete skin and frame system weighs approximately 30 pounds per square foot. The maximum size of a Thinshell panel is the same as conventional precast (14' x 45').

Architectural Design Capabilities

Of the three types of precast systems that Willis Construction produces, this product has the most limitations with respect to shape. Panels are limited to only flat wall type surfaces. In some cases small bullnose projections can be used, but add more weight and cost to this system. Thinshell is cast with a conventional precast mix (White cement; ½" to ¾" Aggregate; Sand; and a color additive to achieve the Designers desired look). There are few limits to the colors that the designer can choose from and all of our designs are custom made for each individual project. Thinshell gives the designer the option to choose between a light or heavy sandblasted finish. A heavier blast will expose the aggregate in the mix and can produce a different color/texture affect. Multiple colors in the same panel are additional options for designers to accentuate different areas of the building.

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