Building wall membrane
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United States of America Patent
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Oct 27, 1998
Grant Date -
N/A
app pub date -
May 28, 1996
filing date -
May 28, 1996
priority date (Note) -
Expired
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Abstract
A vapor permeable prefabricated membrane for use in an exterior wall or party wall of a building, which has passageways formed when the membrane is in place in the wall extending from a region near a top of the wall to a bottom thereof. The passageways permit the escape of trapped moisture.
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