Double Door Weatherstrip, Insert Type Solid Metal Flat Astragal, Flange Material Steel, Flange Color Silver, Flange Finish Galvannealed, Flange Width 2 in, Flange Thickness 1/8 in, Overall Length 7 ft, Overall Width 2 in, Projection 1/8 in, Mounting Type Surface, Max. Door Gap 1/2 in, Fire Rated 3 hr, For Use With 84 in H Doors, Hardware Included, Standards ASTM E-283, Category J Smoke Seals, UL 1784-2001, UL Green Guard Gold Certified, UL10C, Sold As Strip, UL Fire Rating UL10C