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EPD: Manual flush bolt, 3 in x 7 in, 2.20 kg/unit, Ives FB458 (Allegion)
Ives offers many accessories to ensure that a door is hung, protected and secured. Flush bolts can be used on doors that need to be secured without having a mullion or wall for latching. Flush bolts are usually used on a pair of double doors, like a large closet in a commercial building or french doors. These doors may have a lock, but the flush bolts allow the inactive door to be anchored to the top of the door and the floor. The active door can then latch to the anchored door and keep the opening secure when not in use. There are many types of flush bolts to accommodate various doors types, sizes and application needs while also matching existing or new door hardware. Flush bolts are recessed into the top and bottom of the door edge and slide upward or downward into the head or threshold to keep the door secure and closed. This EPD covers manual flush bolt product family FB458. Manual flush bolts are designed for double door applications and allow the inactive door to be secured when not in use. FB458 is a manual flush bolt that can be installed on the top and/or bottom of the door. When the active door is opened, the lever can be moved to the up position, retracting the bolt and allowing the inactive leaf to be opened. When the inactive leaf is closed, the lever can be moved to the down position, projecting the bolt into the strike and securely locking the inactive leaf. Because of the wide range of sizes and finishes available, this EPD presents results for the most common size based on sales volume. All FB458 options use brass for base materials in a range of finishes. Due to the small mass percentage of surface finishes relative to the overall product, results do not vary by more than 10 percentage between FB458 in different finishes. Results presented in this EPD are representative for all available finishes of FB458 flush bolts in a 12in size. The standard application is two flush bolts per standard 3 ft x 7 ft door leaf. This EPD presents results for this application.