Static structures (e.g. – buildings) – Gable or eave terminal construction
Patent
1989-07-18
1991-04-16
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Gable or eave terminal construction
52317, 98 32, E04B 174, F24F 700
Patent
active
050072161
ABSTRACT:
A baffle for use in an attic defined by a vertical exterior wall having a top wall plate, parallel ceiling joists supported by the top wall plate, and spaced apart, inclined rafters securely connected to the top wall plate and the ceiling joists is disclosed. The rafters typically have a roof deck fastened to their top surface. The baffle is installable between adjacent roof rafters to substantially block the flow of ventilating air through an opening located between the top surface of the wall plate and the underside of the roof deck. Once installed, the baffle of the present invention restricts flow of ventilating air between an exterior soffit and insulating material installed between the ceiling joists in the attic cavity. The baffle includes a rectangular panel, a bottom flap hingedly connected to the rectangular panel and attachable to the wall plate, side flaps hingedly connected on opposed ends of the rectangular panel and attachable to the inner face of the roof rafters, and a top flap hingedly connected to the rectangular panel and attachable to the underside of the roof deck. Preferably, the baffle consists of a unitary cardboard sheet having crease lines defining the joints between the rectangular panel and the bottom flap, top flap and side flaps respectively. The baffle may further include adjustment lines printed on one of its surfaces for adapting the baffle for installation in houses having variable spacing between adjacent roof rafters. Advantageously, the baffle can be used in combination with a companion baffle installable between adjacent roof rafters. The companion baffle enables flow of ventilating air between the exterior soffit and the attic cavity while substantially obstructing flow of ventilating air through the insulating material located between the attic ceiling joists.
REFERENCES:
patent: 322491 (1885-12-01), Clay
patent: 4069628 (1978-01-01), Kreimer
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