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Rapid Fire Seal RFS 640

Rapid fire resistant sealant

fischer rapid fire resistant sealant RFS 640 is a spray grade one part water based, fire rated sealant which has been design to provide smoke and fire protection on construction joints and service penetrations in both vertical and horizontal applications. Tested in accordance with ASTM E 814 (UL1479), ASTM E 1966 (UL 2079), ASTM E 2307, ASTM E 84 (UL723) the fischer RFS can provide up to 3 hours fire rating.

Product Description

Advantages
  • Water based
  • Flexible set
  • Contains mould growth inhibitor
  • Freeze - thaw capabilities
  • Paintable
  • Accelerated age and humidity tested
  • Low VOC
  • Spray or brush applied
  • Excellent smoke seal
  • Water resistant
  • Asbestos and solvent free
  • Can be used for internal applications and for conditions where dynamic movement may occur.

Available Product Variants

Application and Permission

Applications
Building materials
  • Flexible wall constructions
  • Rigid floor and wall constructions
  • Flexible wall
  • Masonry
  • Concrete
* You can find detailed information on building materials in the registration document.
For Details see corresponding Documents

Assembly Instruction

Functioning
  • RFS 640 is a spray grade one-part water-based, fire rated sealant, which has been designed to provide smoke and fire protection on construction joints and service penetrations in both vertical and horizontal applications.
  • Provides up to 3 hours fire rating (also in accordance with ASTM E 2307).
  • Meeting the new requirements of ASTM E 1399, RFS 640 has been cycled tested up to 500 times.
  • Can be used for internal applications and for conditions where dynamic movement may occur.
  • RFS 640 has also been tested at positive pressure with a minimum 0.01in. (2.5 mPa) water i.a.w UL 2079 test standards.
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Installation graphic
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Documents for Downloading

Additional Documents

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