369AA Heavy-Duty Full Mortise Automatic Door Bottom Floor Closers 3 Hour Fire-Rated Door Flush

3 Hour Fire-Rated Door Flush Door on Welded Masonry Frame – Unfinished (Primed Gray)

Ives 5BB1 4-1/2" x 4-1/2" TW8 CON Standard Weight Full Mortise Five Knuckle Electrified Hinge

For models: DL1200

Two-point locking is achieved using two bolts

Low profile design ideal for sliding doors

369AA Heavy-Duty Full Mortise Automatic Door Bottom Floor Closers 3 Hour Fire-Rated Door FlushZero 369AA Heavy Duty Full Mortise Automatic Door Bottom The patented automatic door bottom technology from Zero ensures an efficient seal against the floor or saddle. As the door is closed, the adjustable plunger is compressed against the door frame, activating a concealed flat spring mechanism. Zero door bottoms are designed to block penetration by air, sound, smoke, and flames. AA = Anodized aluminum Supplied with double solid neoprene seal Fire