Door threshold surface type smooth mill finish color silver width 3 3 4 in height 1 2 in length 72 in fits door width 72 in thickness 0.115 In material aluminum standards astm e283 can ulc s104 ibc nfpa 252 nfpa 80 ul listed yes includes 10 x 1-1 2 in fh zinc plated wood screws ul fire rating ul10b ul10c
