Acoustic, smoke & fire containment systems

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High performance fire, smoke & security letterplate

The Lorient high performance letterplate assembly has been tested in accordance with BS 476 Pt. 22 and has been shown to provide in excess of 60 minutes protection against fire.

  • It is internally sealed so that the unit will not compromise the smoke integrity of the door when tested in accordance with BS 476 Pt. 31.1
  • It can be supplied with a range of optional security devices (please refer to brochure for further details). Several models of this letterplate are available to suit different thicknesses of door.

Max/min door thickness (t):

  • 42mm - 47mm: LRJ 8042F or LRJ 8042S
  • 47mm - 52mm: LRJ 8047F or LRJ 8047S
  • 52mm - 57mm: LRJ 8052F or LRJ 8052S

Note: Suffix F indicates fire protection
Suffix S indicates fire and smoke protection.

  • external height (h): 80mm
  • external width (w): 312mm
  • door aperture size: 270mm x 60mm
  • letter flaps: for 30 mins, aluminium only
  • for 60 mins, brushed stainless or brass
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