Therma Foam, Inc.

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1240 Hwy. 77 North
Hillsboro, TX

Therma Foam, Inc. is a molder and fabricator of disposable single-use styrofoam blockouts used primarily for concrete urban bridge side railing designs. They have been used thoughout the United States and Canada.

Known as Classic or Texas Classic bridge side rails, the foam blockouts form a wide variety of precise bridge window designs to ease the contractors assembly and forming process. A more complete description, with job site photos is available at, with applications shown as Texas Classic Bridge Rail and Geofoam. We also fabricate foam letters, numbers, and custom logos. We fabricate bearing pads for bridges using Dow Styrofoam HI-60 cut into 1-1/2"x48" strips


  • Bridges in urban areas of most states and Canada use side-railing design options developed and safely crash-tested by the Texas DOT. These classic designs enhance the aesthetics of bridge appearance...
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