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FJ203 is used for sealing horizontal and vertical linear joints with or without movement capability between fire resistant separating rigid walls and floors. FJ203 can be combined with sealants such as Nullifire FS702 or FS703 Fire Rated Acryl or Silicone Mastic.

  • Resistance to fire for joints in between rigid walls or floors
  • Compensates irregularities in width of a joints
  • Fast and easy to cut
  • Non combustible
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