Pre-cut fibrous insulation for custom fitting wall cavities of d

Details Pre-cut fibrous insulation for custom fitting wall cavities of d Pre-cut fibrous insulation for custom fitting wall cavities of d

1998-10-07

2000-07-04

Thomas, Alexander

Stock material or miscellaneous articles

Sheet, web, or layer weakened to permit separation through...

428167, 52 98, 524041, B32B 300

Patent

active

06083594&

ABSTRACT:
A fibrous insulation blanket is pre-cut for custom fitting the insulation blanket into structural framework building cavities of different widths. The width of the blanket is substantially equal to the width of a standard cavity to be insulated by the blanket and the blanket has one or more longitudinally extending cuts in a first major surface of the blanket. The cut(s) have a depth greater than one half of the thickness of the blanket and less than the thickness of the blanket whereby the blanket can be handled as a unit for insulating a cavity having a standard cavity width or easily torn apart at a cut by hand for insulating a cavity having less than a standard cavity width. The second major surface of the blanket may have a facing bonded thereto with one or more perforated lines in the facing aligned with the cut(s) to facilitate tearing apart the blanket by hand if required. Preferably, the perforations of the perforated line(s) are closed by the bonding agent bonding the facing to the blanket so that the facing functions as a vapor barrier in spite of the perforations.

REFERENCES:
patent: 2335968 (1943-12-01), Sawtell
patent: 4756945 (1988-07-01), Gibb
patent: 4866905 (1989-09-01), Bihy et al.
patent: 5331787 (1994-07-01), Paulitschke et al.
patent: 5567504 (1996-10-01), Schakel et al.

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