Combination sheathing support - member building product

Claim 1

A combination sheathing-support member building product which incorporates both framing and sheathing into an integral unit for use in roof, floor, or wall applications in constructing frame buildings, said product comprising a mixture of cellulosic particles having a bulk density of from 2 to 7 pounds per cubic foot and an amount of adhesive binder of from 3 to 8 percent of the ovendried weight of said particles, said mixture being press-molded in a single operation into a panel having smooth, flat sections on its interior and exterior sides, said flat sections serving as sheathing; a plurality of parallel and evenly spaced projections between said flat sections on said interior side, each of said projections being a pair of stepped sidewalls inclined toward one another and culminating in a flat bottom which is parallel with said flat sections; a plurality of parallel and evenly spaced depressions between said flat sections on the exterior side, said depressions being directly opposite of, and aligned with, said projections on the interior side; and interior projections and exterior depressions extending an entire dimension of said panel, thus forming a plurality of channels in said panel, said channels serving as support members giving strength and support of conventional 2 by 4 stud-and-sheathing construction to the panel.