Panel Description

Architectural precast consists of a solid concrete panel that typically has a 4" minimum thickness. This overall thickness may need to be increased depending on other factors.

• The section shape of panel has deep returns, deep reveals or protruding bullnose features.
• Designer chooses to adhere natural or manmade materials to the face of panel. (ie. Thin Brick, Granite, Limestone, or Tile)
• Additional structural strength needed due to: longer spans between connection points, to take on additional external loads such as auto impact in parking garages, or bomb blast impact, etc.

A 4" thick panel weighs approximately 55 pounds per square foot of surface area. This weight does considerably affect the design and overall cost of the structure and the prewelded items necessary for the attachment of panels.

The maximum size of all precast systems is dictated by what can actually be shipped on an 8' x 40'to 45' long trailer. That size typically does not exceed 14'-0" wide x 45' long.

Architectural Design Capabilities

There are few limits to the sections and shapes that can be produced with Architectural Precast. Of the three panel systems Willis Construction produces, Precast is the heaviest at 55 lbs./sq.ft. (minimum). The mix design of precast typically consists of: 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. Precast 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. Precast also gives the option to adhere different natural and manmade materials to the face (Granite, 1 1/8"; Limestones, 1 1/8" to 2"; Brick, ½" to 1"; and Tile, approx. 5/16"). The overall thickness of the panel will typically be 4" plus the thickness of face material.

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