A Broad Range of Powerful Systems: AS200 has been UL tested and Classified for a wide variety of common construction joint applications including floor-to-floor, floor-to-wall, wall-to-floor, wall-to-wall, and head-of-wall applications including systems tested in conjunction with direct applied fire proofing. With more UL Classified Perimeter Fire Barrier Systems than all of its competitors combined, AS200 is also the product of choice for safing applicators everywhere.