Lightweight Fire Barrier

Cost effective, lightweight fire barrier for up to 2 hour compartmentation of voids and above fire rated walls where insulation and integrity required.

  • Lightweight
  • Versatile
  • Easily Modified
  • Waterproof
  • Tested to BS476 Part 20
  • Easy to handle
  • Simple to fix
  • 30mins Insulation
  • 120mins Integrity

FlameStop FSI is available in a standard roll size of 1.3m x 7m.

It is lightweight and easy to use, it is also very strong.

FlameStop FSI is fitted using galvanised C-stud to frame out openings and 25mm galvanised angle to fix the curtain to the C-stud. The proper overlaps and stapling centres are fundamental to the correct performance of the fire barrier and users are advised to download the installation instructions and adhere to the specific fixing criteria.

Use the MultiCollar for penetrations through Flamestop FSI. Click for more details of MultiCollar.

WF Fire Test Report No.167940
WF Assessment Report No.168737



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