ASEC FB Deadlock Conversion Kit for FB1 and FB2 - Mortice to Rim Lock

Fire Brigade locks serve a very specific purpose — they give emergency services access to communal areas, utility rooms, dry risers, bin stores, and lift shafts in residential and commercial buildings without having to force a door. That access can only happen if the hardware is installed correctly, and part of getting it right is choosing the mounting method that actually works for the door in question.

That's where the ASEC FB Deadlock Conversion Kit comes in. If a door can't take a mortice lock — because it's a thin-section door, a hollow core fire door, or the door frame simply doesn't allow for a morticed installation — this kit lets you surface-mount an ASEC FB1 or FB2 mortice deadlock as a rim lock instead. Same lock, same fire brigade key operation, different mounting method. It's a straightforward solution to a problem that comes up regularly on site.

The conversion hardware is stainless steel throughout, giving it the durability and corrosion resistance you need from anything going onto an access point that has to be reliable year after year. The kit includes the strike plate and all necessary fixings, so there are no additional components to source. The ASEC FB1 and FB2 mortice deadlocks are sold separately — this kit is purely the conversion hardware.

Available to suit both the 44mm and 70mm (60/10) backset versions of the FB1 and FB2 deadlocks, it covers the most common door preparations found on UK residential blocks and commercial buildings. Whether you're a locksmith, a building contractor, a fire safety installer, or a facilities manager working through a compliance specification, this kit gives you the flexibility to install the correct fire brigade locking system on doors where a full mortice installation isn't possible.

Compact, well made, and exactly what it needs to be.