Post-tension system adds strength to home foundations
Damian Heim uses a simple sheet of paper to illustrate how the cables running through his company’s home foundations keep the foundations strong.
“Most of the time, when a foundation fails, one side falls down,” he said, letting go of one corner. “When they stress those cables, they stress them to 33,000 pounds per square inch per cable. So in order for this side to fall down, this side has got to come up becau...
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