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