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Fire Rated Movement Joints

Abesco Fire Rated Movement Joints are designed to prevent the spread of fire from one compartment to another where fire separating walls and floors must accommodate horizontal or vertical movement and provide up to 4 hours fire resistance.

Abesco Fire Rated Movement Joints are made from fire retardant compressible foam, factory coated with a heat reactive intumescent which forms a versatile and flexible gap seal.

Why useWhere to useWhat happens in a fire
  • Easy to install, simply compress and install into joint.
  • Unaffected by moisture or water attack.
  • Will accommodate movement.
  • Gap widths up to 100mm can be accommodated.
  • Supplied in easy-to-handle 1 M lengths.

Abesco Fire Rated Movement Joints are suitable for use in any fire rated building compartment where structural movement is required. Typically these are:

  • Top of blockwork wallhead/underside of floor (including metal decking).
  • Movement joints within walls and floors.
  • Expansion and contraction joints.
  • Steelwork / Blockwork deflection joints.

The fire retardant foam provides an effective barrier against the initial passage of smoke. As this foam slowly burns away, the void is filled by the rapidly expanding intumescent, forming an effective seal and preventing the spread of fire, smoke and gases from one compartment to another.



Abesco products can be manufactured to meet project specific requirements where standard production specifications may not fulfil all a clients needs. Abesco operates its own fire test furnace and project specific fire testing can be arranged for particular site configurations. Contact us for more details.


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