Process for making a built-up thermal insulating and bituminous waterproofing assembly
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United States of America Patent
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Feb 22, 1983
Issued Date -
N/A
app pub date -
Nov 28, 1980
filing date -
Jun 1, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A built-up bituminous waterproofing and thermal insulation assembly made by the process of placing onto a substrate a plurality of prefabricated, thermal insulating bituminous waterproofing boards adjacent to one another with the edges of the boards being slightly spaced to provide clearances therebetween, sealing the clearances with sealing material and then forming a continuous waterproofing layer over the entire upper surface of the boards and sealing material.
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