Apparatus and method for stabilizing a slab foundation
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United States of America Patent
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Nov 15, 2016
Grant Date -
Dec 17, 2015
app pub date -
Jan 15, 2015
filing date -
Jun 11, 2014
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Abstract
An apparatus for stabilizing a slab foundation comprises a narrow, vertical moisture barrier assembly spaced outside and surrounding the perimeter grade beam of the slab foundation by a predetermined distance, and extends to preferably five feet below surface grade. The narrow trench for the barrier is preferably less than three inches wide. A membrane formed of a synthetic composition forms a moisture barrier against one wall of the narrow trench, and is held in place by back fill. The moisture barrier is intended for use in expansive soils that are subject to shrinking and swelling.
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