Waterproofing air and vapor barrier membrane
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United States of America Patent
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app pub date -
Nov 16, 2004
filing date -
Aug 22, 2001
priority date (Note) -
Abandoned
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Abstract
An integrated waterproofing and air/vapor barrier membrane is provided which comprises a preformed waterproofing or sealing material layer (1) covered on one face with adherent impervious material (1), and on the other major face with an adherent porous support sheet (16). The waterproofing or sealing material layer can be covered on both sides with adherent support sheets. Heating of the barrier membrane allows self-adhesion to a surface on which it is applied after transudation of fusion of the sealing material through the support sheets.
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