Roofing seam installation process
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United States of America Patent
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-
May 28, 1996
Grant Date -
N/A
app pub date -
Sep 29, 1993
filing date -
Sep 29, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A process for preparing a lap seam for roofing comprising applying a butyl rubber-containing primer with a mesh pad to the EPDM membrane surfaces to be joined, the primer having an elastomeric solids content of from about 15-20 percent, by weight. Thereafter positioning a splice tape between the primed surfaces to form a seam structure and applying pressure to the structure thus provided to form an adhesively-held lap seam characterized by being water tight and having superior peel strength.
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Cited Art Landscape
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