INSULATED DRYWALL CEILING ON STEEL "C" JOISTS
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United States of America Patent
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Issued Date -
Jun 21, 2012
app pub date -
Dec 20, 2010
filing date -
Dec 20, 2010
priority date (Note) -
Abandoned
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Abstract
A construction of elongated steel C-channel joists supporting a roof deck or floor and a drywall ceiling, fiber insulation batts disposed in cavities between the joists, the batts having a width substantially the same as the spacing between the joists and a thickness less than the depth of the joist, a series of anchoring elements spaced along the lengths of the joists in a mid-area of the webs, and steel wires suspended between anchoring elements of adjacent joists, the wires serving to support the insulation batts above a plane of the lower joist flanges, whereby an air space is maintained between the insulation batts and drywall ceiling.
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