Title:
Fire retardant roof vapor barrier and securement means
United States Patent 2861525

Inventors:
Curtis, Frank W.
Publication Date:
11/25/1958
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Assignee:
LEXSUCO INC
Primary Class:
52/309.140
Other Classes:
156/71, 52/515, 52/408, 428/179, 52/712
International Classes:
E04B1/94; E04D13/16
US Patent References:
2740505Joint for roofing, wall, floor, or the like
2785099Fire resisting insulating material and building construction embodying the same