Building membrane with drainage matrix and horizontal adhesive portions
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United States of America Patent
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Oct 10, 2017
Grant Date -
Jan 7, 2016
app pub date -
Mar 18, 2015
filing date -
Jul 1, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A building wrap membrane comprising a sheet of spunbonded polypropylene fabric member with integral adhesive attachment strips mounted on the front and back of the sheet and a drainage matrix secured to the sheet front surface comprised of individual thermoplastic threads randomly laid down to form a net and secured together by heat bonding with the threads formed into spaced rows with a plurality of expansion joints formed across matrix rows.
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