Patent ID: 9611615
Date: 2017-04-04
CPC Classifications: E02D,E02F

Claim:
1. A method for stabilizing a slab foundation, comprising the steps of: preparing the surface grade for a slab foundation having a slab extension of the slab foundation beyond the perimeter of the location of a grade beam for the slab foundation; excavating a vertical barrier trench around and spaced a predetermined distance outside the location of the grade beam, wherein the vertical barrier trench is less than or equal to four inches wide and at least three feet deep below the surface grade; installing a moisture barrier membrane in the vertical barrier trench; excavating the grade beam trench; draping an extension of the moisture barrier over the surface grade and into the grade beam trench and secure it to the outer wall of the grade beam trench; installing rebar, slab strands and chairs, and plumbing lines; and pouring concrete for the grade beams and the slab foundation including the slab extension.