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Thermomass walls and 5IVE

Link to Thermomass walls and 5IVE

Similar to SIPs, the Thermomass Building Insulation System consists of two layers of modified concrete with styrofoam between. The system is flexible enough to be "used in site-cast tilt-up, plant precast, modular precast, tunnel form and poured-in-place concrete panels and walls." The site-cast tilt-up method moves the process out of the factory, allowing rapid construction on site.

Architects John Dwyer & Jeff Gallo selected the energy-efficient Thermomass walls to help their 5IVE house achieve LEED Platinum certification:

"Using a technology developed by DOW, the walls will act as a thermal mass giving them a rating of R-30. By employing prefabrication, we were also able to control the quality of the finish on the concrete."

The walls for the 5IVE home are being produced by a company called Forecast Concrete. The benefits of factory precast concrete walls include:
• added precision
• controlled environment
• no form lines
• high strength concrete The company says that the process is adaptable for any style and size of home.

(Hat tips: Future House made a quick post on June 2, Lloyd Alter of TreeHugger added some detail on June 6, Preston Koerner waxed enthusiastic at Jetson Green on June 7.)

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