Static structures (e.g. – buildings) – Machine or implement
Patent
1993-08-02
1994-11-22
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Machine or implement
524041, E04B 174
Patent
active
053657160
ABSTRACT:
A method for installing dry cellulose fiber insulation into a stud cavity includes the initial step of attaching a non-elastic reinforced polyethylene vapor barrier membrane to the interior faces of the studs, plate and sill forming a plurality of stud cavities in a building structure having an exterior wall. The staples are oriented vertically and spaced apart along the stud interior faces a distance which permits excess air pressure to escape between the membrane and the stud interior face between the staples. The staples are oriented horizontally along the sill and plate interior faces. An access hole is then formed in the membrane to access each stud cavity, and located approximately one-fourth to one-fifth of the distance downwardly from the upper sill to the lower plate. A pneumatic hose is then inserted through the access hole with the dispensing nozzle located at the bottom of the stud cavity. Dry cellulose fiber insulation is then pneumatically inserted into the stud cavity while maintaining the hose nozzle at the bottom of the stud cavity, until the insulation fills the cavity to the level of the access hole at a density of at least three pounds per cubic foot. The hose is then partially withdrawn to permit the nozzle end to be rotated to the upper end of the cavity, at which time the remaining empty portion of the cavity is filled with dry cellulose insulation. The hose is then withdrawn and the access hole sealed with duct tape to form an air impermeable vapor barrier.
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patent: 2788552 (1957-04-01), Miles
patent: 2989790 (1961-06-01), Brown
patent: 4177618 (1979-12-01), Felter
patent: 4385477 (1983-05-01), Walls et al.
patent: 4399645 (1983-08-01), Murphy et al.
patent: 4712347 (1987-12-01), Sperber
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