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Cavity Barriers

Cavity Barriers are tested and certified by their manufacturers to create a protective wall between one area and another.
  /  Cavity Barriers
Cavity Barriers

Cavity Barriers

Cavity Barriers are mostly used to prevent fire and smoke between cavities such as in blockwork, cladding, curtain walling and above ceilings. The primary function is to maintain continuity of fire resistance by sealing the cavity gap between the compartment floors or walls and the external curtain wall both horizontally and vertically. The materials comprise a one-piece product having a pre-compressed non-combustible rockfibre core. The products also have integral aluminium foil facings to provide a Class O rating and excellent resistance to smoke.



  • Tested to EN1364-4 and EN1364-3
  • Proven by EN1364-4 during fire test accommodated dynamic movement of supporting structure and facade
  • Fire rated to 300 minutes (insulation / integrity)
  • High acoustic performance additional upgrades available

Please call us now on +353 1 8394 005 or Contact us to get a quote for services that use Cavity Barriers.

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Cavity Barriers as used in our
Passive Fire Protection service

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