Patent ID: 6316087
Filing Date: 2001-11-13
Classification: B28B,B32B,C04B,E04C,Y10T

Abstract:
An improved structural panel useful in interior portions of building construction, the structural panel comprising;a blend of any one or combinations of the following standard building cement constituents to selected from the group of clay grog and Portland Cement I, II, or III;said standard building cement constituents being supplemented with vermiculite particles as a filler;said blend of standard building cement constituents and vermiculite filler existing in two or more layers of at least one-quarter-inch thickness within the width of said structural panel, each said layer having between them a binding layer comprising an adhesive and a disposition of synthetic fibers made of polypropylene which may of random lengths of at least one-quarter-inch which are laid between the layers of said standard building cement constituents supplemented with said vermiculite filler so that such fibers lay along the plane of each said layer 's surface; anda foil surfacing on at least one side of the structural panel.