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Bottom Fire Bolt – ZBFB

Description

Description

The ZBFB Bottom Fire Bolt eliminates the need for the bottom automatic flush bolt and dust proof strike. The ZBFB is installed horizontally in the inactive door, with a mating hole in the edge of the active door. It is usually fitted within 102-152mm of the bottom of the door. When subjected to 230°F (110°C) the ZBFB projects a spring-loaded bolt, locking the leaves together. This product contains no intumescent.

Fire rated for 3 hours on metal doors and 20 minutes on timber doors (US only).

The ZBFB can be purchased separately or as part of a kit with the 842, 942 and 862/962 single automatic flush bolt supplied for the top of the door and the ZBFB supplied for the bottom of the door.

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