FFI Interlock - Functional Fenestration Inc.

FFI Panel Interlock

Why FFI Interlocks?

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.

Finishes

FFI Panel Interlock

Why FFI Interlocks?

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.

Finishes

FFI Panel Interlock

Why FFI Interlocks?

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.

Finishes

Characteristics

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.
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.

Advantages

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 & LS300 removable handle plates if stile width is 92mm (3-5/8”) or wider.