Products | Door Hardware | Panel Interlocks | Interlock Accessories
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  • FFI Panel Interlock adds security by locking panels very close together.
  • In Brass or Aluminum, Made-in-USA with Class I Anodizing.
  • Saves assembly time, with simple installation.

FFI Panel Interlock is for all types of wood sliding doors with 2 or more panels on a track (lift slide, patio doors, room dividers, etc). Compatible with FFI (LS100, LS200, LS300) removable handle plates if stile width is 92mm (3-5/8”) or wider.

  • For a small gap between panels, 12 to 15mm (1/2”-9/16”) instead of a wood interlock with wider gap of 28mm (1-1/8”).
  • Easy panel alignment - handles minor misalignments.
  • Insulates by creating a thermal break.
  • Strengthens panel connections for hurricane testing.
  • Order screws separately, in material and length to suit panels.
  • Order gasketing separately, in pieces or rolls.

FFI Panel Interlock

FFI Interlock is for all types of wood sliding doors with 2 or more panels on a track (lift slide, patio doors, room dividers, etc.) Choice of Brass or Made-in-USA Class I Anodized Aluminum.

Product Documentation



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