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Architectural grade wood fire doors control the spread of fire and smoke for up to 1-1/2 hours (90 minutes)
55- Request to Exit Signal Switch is integrated into the connecting arm within the rail
Saves the cost of replacing the door or frame
Deadlatch is retracted by key in outside lever when locked by pushing push button in inside lever
Patented design
S424 Saddle Threshold - 4" Wide x 1/2" High Indicator Locks Architectural grade wood fire doorsReese S424 Aluminum Saddle Threshold, 1 2" H x 4" W Saddle thresholds are symmetrically shaped and designed to seal the area under a door while creating a more finished look for commercial applications. Made from Aluminum alloy 6063, T5 temper 4" wide x 1 2" tall Fluted top #10 x 1 1 2 wood screws provided Fire Rated: UL Classified per UL10B, CAN ULC S104, UL10C for use on listed steel frames and or classified hollow metal and steel covered composite
