Acoustic, smoke & fire containment systems

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Lock & latch protection jacket

Lorient provides a universal lock kit which enables family groups of mortise locks to be incoporated in fire resistant door leaves, as well as a lock kit which is available to suit larger lock sizes.

  • These jackets provide fire resistance of 30 minutes or 60 minutes when fitted to full size door assemblies and tested in accordance with BS 476 Pt. 22.
  • Lorient can supply intumescent jackets to fit all regular UK lock case sizes of 63mm, 75mm and 100mm deep with a common height of 108mm and 56mm centres, generally manufactured to the dimensions given in BS 5872: 1980 figure 4. Jackets to suit other sizes can be provided: please refer to our Technical Department.

New - click here to see an animation of our Lock jacket in situ.

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