The Monokote series of fireproofing sprays from Grace Construction Products-the MK-6, the MK-6/HY and the MK-6/HY Extended-offer gypsum-based, cementitious, spray-applied fireproofing designed for fast, easy application to steel and concrete materials such as floor joists. They contain no mineral fibers, require no topcoat and offer bond strength in excess of 200 psf.