Process for insulating and sealing essentially flat roofing and coating used in this process
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United States of America Patent
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N/A
Issued Date -
Oct 16, 2003
app pub date -
Apr 7, 2003
filing date -
Apr 5, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A process for insulating and sealing roofing comprises coating the substrate (2) with a liquid or viscous composition (3) that is based on modified bitumen or a bitumen/polyurethane mixture by covering rough spots (4) and by filling the hollows or emergent cavities (4') that are present on the surface of the substrate (2), then applying the insulating layer (1) or individual elements that are intended to form the insulating layer (1) on the coated surface of the substrate (2) before the previously applied coating layer (3) solidifies, whereby the coating layer (3) forms, after drying or polymerization, a water-vapor barrier and an agent for adhesion of insulating layer (1) to the attachment substrate (2), and, finally, applying to insulating layer (1) a sealing coating (6).
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Cited Art Landscape
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