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The Rockwood 2948 automatic flush bolt comes with a bottom fire bolt for wood fire-rated doors and comes non-handed. Rockwood 2948 requires a 5 lbs low closing force and has an override feature that prevents damage to doors or bolts if bolt heads are blocked from entering strikes. The Rockwood 2948 has a Thermal lock that automatically locks the inactive door under high heat conditions due to fire. Rockwood 2948 bottom fire bolt eliminates the need for floor prep.
Low (5 lbs. maximum) closing force
Fully automatic; opening the active door retracts the top bolt
The override feature prevents damage to doors or bolts if the bolt head is blocked from entering the strike
The Bolt head rod is adjustable up to 1/2"
For fire rated UL listed 20-minute wood core and composite doors up to 4'w x 9'h
The thermal lock automatically locks the inactive door under high heat conditions due to fire
The bottom fire bolt eliminates the need for floor prep
Oversize fire bolt strike hole allows for slight door misalignment
Top Bolt Size
Bottom Bolt Size
8 ea. #8 x 3/4" FH Combo Screws, 2 ea. Plastic Anchors; 3 ea. #10 x 1" FH WS