Steel door with frame door design quick mount lock type mortise frame type 12 gauge steel fully welded material 18 gauge steel hand lhr thermal insulation u-factor none door opening height 84 in. Door opening width 36 in. Thickness 1-3 4 in. Overall depth 2-1 4 in. Agency compliance ul listed 1.5 Hour fire rated for use with pre-existing door openings includes 3 ball bearing hinges 1 mortise lockset 1 door closer 1 threshold weatherstripping with door sweep
