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Intumescent Wrap Strip FiWS

Universal intumescent wrap strip for sealing combustible services

fischer intumescent Wrap Strip - FiWS is a flexible, intumescent graphite based synthetic compound strip which has been designed to be installed around non metallic pipes, conduits, trunking and cabling in both vertical and horizontal applications. Tested in accordance with ASTM E 84 (UL723) & ASTM E 814 (UL1479) the fischer FiWS can provide up to 4 hours fire resistance on a wide range of applications. The FiWS is asbestos and halogen free, and is unaffected by oil, fungus or vermin.

Product Description

Advantages
  • Efficient and effective for sealing of pipe openings in floors and walls
  • Easy to fit
  • Moisture resistant
  • Freeze-thaw characteristics
  • No mechanical fixing required
  • Economical solution
  • Up to 4 hours fire resistance
  • Asbestos and halogen free

Available Product Variants

Application and Permission

Applications
  • Non-metallic service: PVC 14" (355 mm), cPVC 8" (203 mm), ABS 6" (152 mm), FRPP 4" (102 mm)
  • Insulated service: Steel 10" (254 mm), Iron 10" (254 mm), Copper 4" (102 mm), Glass fibre 3" (75 mm), AB/PVC flexible foam 1" (25 mm)
  • Cable bunches: 3" (76 mm)
For Details see corresponding Documents

Assembly Instruction

Functioning
  • FiWS is a flexible, intumescent graphite-based synthetic compound strip, which has been designed to be installed in both vertical and horizontal applications.
  • FiWS has been developed as a PRE or cast-in FireStop solution, and has been designed to work with the fischer Universal Collar for retro fitting or surface mounted applications.
  • For large openings, the FiWS can be used in conjunction with the FFSC.
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Installation graphic
Installation graphic
Installation graphic
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Documents for Downloading

Additional Documents

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