LOB 72/55 EI45 Fire Door Lock Right-Hand 72mm 55mm White Zinc for Wooden Doors

Product Overview

The LOB 72/55 (EI45) fire-rated lock is engineered for integration with certified door closers in fire-resistant wooden or wood-based doors. It is commonly specified for commercial and institutional applications where compliance with fire protection requirements is mandatory. The lock is compliant with EI45 fire-resistance demands, providing reliable compartmentalization in case of a fire incident when installed in suitable assemblies.

This SKU distinguishes itself by its tested compatibility and proven fire performance in doors with glass panels and composite wooden materials, a combination not offered by all generic fire door locks. This feature helps specifiers and project managers confidently meet regulatory requirements in buildings with diverse door constructions. It is an appropriate selection for bulk procurement in commercial installations, especially where tested fire safety of both solid and glazed door leaves is required.

Key Features

• Fire rating EI45 ? certified for use in 45-minute fire-resistant door assemblies


• Tested with wooden and wood-based doors ? suitable for doors with or without glazing


• Latchbolt spindle: 8 mm ? compatible with standard European handle sets


• Prepared for use with door closers ? ensures self-closing and secure latch engagement


• Corrosion-resistant white zinc finish ? suitable for use in varied interior environments


• Right-hand version ? configured for right-hinged doors without additional adaptation

Technical Specifications

• Fire Resistance Class: EI45 (45 minutes)


• Center Distance: 72 mm


• Backset: 55 mm


• Spindle Size: 8 mm


• Finish: White zinc (galvanized)


• Door Compatibility: Wooden, wood-based, glazed wooden doors


• Handing: Right

Applications

Intended for installation in fire-rated doors within commercial, institutional, and residential buildings?including offices, schools, healthcare facilities, and public utility structures?where EI45 fire integrity is required. Suitable for both solid wooden and glazed wooden door leaves in new builds or retrofits. Commonly paired with door closers to ensure compliance with self-closing fire door standards.

Packaging & Shipping

Standard export packaging. Each unit includes the lock body only; strike plate is not included. Installation accessories and instruction manual are supplied.