Waterproofing barrier

Details Waterproofing barrier Waterproofing barrier

1981-01-19

1982-08-17

Leppink, James A.

Hydraulic and earth engineering

Earth treatment or control

Impermeabilization

405128, E02D 312, E02D 314

Patent

active

043447228

ABSTRACT:
This invention provides a method and a system for waterproofing a desired substrate, and further contemplates, a waterproof and chemical-resistant product. The method provides providing a length of flexible moisture-permeable thin, synthetic sheet material having desired characteristics, placing in contact with the substrate to be waterproofed a layer of the material, covering the layer of material with a central layer of Montmorillonite clay and placing on top of the clay a third layer of the fabric.

REFERENCES:
patent: 2847201 (1958-08-01), Ebarb, Sr.
patent: 3234741 (1966-02-01), Ionides
patent: 3326001 (1967-06-01), Stapelfield
patent: 3380254 (1968-04-01), Rossi
patent: 3415022 (1968-12-01), Schaefer et al.
patent: 3732697 (1973-05-01), Dickson
patent: 3759044 (1973-09-01), Caron et al.
patent: 4166709 (1979-09-01), Valiga
patent: 4209568 (1980-06-01), Clem
patent: 4222685 (1980-09-01), Jefferson et al.
patent: 4255067 (1981-03-01), Wright

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