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ThermaSAVE is a panel building system which uses a 4 to 12-inch-thick core of expanded polystyrene (similar to Styrofoam) sandwiched between two sheets of cellulose fiber-reinforced cement board varying in thickness from 3/8 to 7/16 inch, depending on structural requirements. This creates a "stress skinned" panel, also known as structural insulated panels (SIPs). Since c. 1984 H.H. "Hoot" Haddock from Florence, Alabama has been working on perfecting a polystyrene-based building system that would be faster and easier to construct than wood framed buildings, while having superior insulation and strength.
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Demonstrations
Haddock has used the panels to construct an 18,000-square-foot (1,700 m2) Ford showroom and a 32,000-square-foot (3,000 m2) church, and at trade shows Haddock parks a 3,400-pound pickup truck on a 24-foot-long foam panel ramp which remains straight.
Advantages
Because expanded polystyrene is 95% air it is an excellent insulator; and the hard cement skin, bonded to the polystyrene, provides the structural support. In combination the ThermaSAVE panels provide the best of both worlds and have numerous advantages over standard building materials.
Disaster reconstruction
After some consultation Haddock participated in an earthquake test conducted in Cincinnati on January 28, 2005 which was filmed by Daily Planet. The two-story building withstood accelerations beyond 7g without losing any screws, whereas the previous record was 4 g. The test continued until the testing machine began to fail, but the building remained intact.
With the success of the tests the ThermaSAVE Building System could be implemented in Iran, Afghanistan and even in areas affected by the 2004 Indian Ocean tsunami by 2006.