Ives FB42 Top Automatic Flush Bolt for Wood Doors with Auxiliary Fire Latch

Ives FB42 Top Automatic Flush Bolt for Wood Doors with Auxiliary Fire Latch

Professional Automatic Flush Bolt Solution for Wood Door Applications

The Ives FB42 Top Automatic Flush Bolt delivers fully automatic operation for wood door installations, featuring an auxiliary fire latch that eliminates the need for a bottom bolt. This non-handed flush bolt provides 3/4" bolt throw with 7/8" vertical adjustment and 3/4" bolt backset, engineered with low actuation forces and no spring tension for smooth operation. UL Listed for fire door applications and meeting ANSI/BHMA A156.3 Type 25 standards, this flush bolt ensures reliable security for commercial double door installations.

Professional Features & Benefits

• Fully Automatic Operation: Inactive door is automatically latched with bolts extended when active door closes, and unlatched with bolts retracted when active door opens for seamless operation.
• Auxiliary Fire Latch Design: FB42 model with auxiliary fire latch eliminates the bottom bolt requirement while maintaining fire door compliance and security.
• Precise Bolt Specifications: 3/4" bolt throw with 7/8" vertical adjustment and 3/4" bolt backset provides reliable engagement with door frame.
• Low Actuation Forces: Top bolt design with no spring tension ensures smooth operation and reduced wear over time.
• Non-Handed Installation: Universal design accommodates both left and right-hand door configurations for installation flexibility.
• Fire Door Compliance: UL Listed for 20 minutes fire rating applications ensuring code compliance for commercial installations.
• Professional Construction: Available in brass or stainless steel substrate materials for durability in demanding commercial environments.
• ANSI/BHMA Certification: Meets ANSI/BHMA A156.3 Type 25 standards for commercial-grade performance and reliability.

Technical Specifications

• ANSI/BHMA: ANSI A156.3 Type 25
• Commercial/Residential: Commercial
• Department: Door Hardware
• Door Hand Direction: Non-Handed
• Fire Rating: Yes
• Product Category: Door Trim and Accessories
• Product Dimension: W: 1", L: 8-1/2", D: 2"
• Product Group: Door Trim and Accessories
• Product Model: FB42
• Product Subgroup: Flush Bolts
• Product Substrate: Brass or Stainless Steel
• Product Type: Flush Bolts
• Subcategory: Flush Bolts and Coordinators
• UL Listing Type: UL Listed 20 Minutes

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose Ives Quality?

Ives FB42 flush bolts deliver professional-grade reliability with brass or stainless steel construction and UL Listed fire door compliance. Meeting ANSI/BHMA A156.3 Type 25 standards, this automatic flush bolt system provides dependable security for demanding commercial applications. Engineered for wood door installations where reliable automatic operation and fire safety compliance are essential.