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Cavity fire barriers

Cavity fire barriers have very wide application in cavities sub-division and sealing wherever the applicable regulation require for any concealed space within the wall, roof or floor construction to be properly fire-protected in order of to restrict the spread of flame and smoke. The system is in accordance with the Approved Document B requirements in timber or metal frames, providing up to 60 minutes of fire resistance and available as either pre-formed or built on-situ.

Cavity fire barriers

Certain consideration should be taken into account upon installation, including:

  • the class the surface within the cavity has been classified must be taken into account and the location of every cavity must correspond to the maximal distance between the cavities;
  • a cavity barrier must be installed at every junction of the cavities and around any perimeter of any opening within the element containing a cavity, all in order of preventing the smoke and flame from reaching another cavity or a room directly;
  • all cavity barriers must be able to perform during the entire life of the structure (potential movement of the building accounted for);
  • the fire resistance of the entire construction should be maintained why all services accommodated through the cavity barrier must be properly fire-stopped.

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Brand: Tenmat Model and Size: 1000mm x 75mm - 0.0075m2
Delivery Time: 3 - 5 days
Tenmat FF102/50 Ventilated Cavity Fire Barrier is manufactured from a low smoke zero halogen high expansion intumescent material and covered with aluminium foil, for use horizontally within uninsulated, ventilated and drained cavities, up to 50mm wide. It allows maximum ventilation and drainage..
£21.33
£25.60 inc VAT
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Brand: ARC Building Solutions Model and Size: OSCB25 - 75mm x 100mm x 1200mm
Delivery Time: 2 - 3 working days
100mm wide ARC OSCB25 is a non-combustible rockfibre mineral wool cavity barrier for installation where ventilation is required in service use. It has a 4mm thick reactive intumescent layer, which will rapidly expand when exposed to heat in a fire event, closing off the air gap and preventing v..
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Brand: ARC Building Solutions Model and Size: OSCB44 - 75mm x 100mm x 1200mm
Delivery Time: 2 - 3 working days
100mm wide ARC OSCB44 is a non-combustible rockfibre mineral wool cavity barrier for installation where ventilation is required in service use. It has a reactive intumescent layer, which will rapidly expand when exposed to heat in a fire event, closing off the air gap and preventing vertical fi..
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Brand: ARC Building Solutions Model and Size: OSCBPLUS25 - 75mm x 100mm x 1200mm
Delivery Time: 2 - 3 working days
100mm wide ARC OSCBPLUS25 is a non-combustible rockfibre mineral wool cavity barrier for installation where ventilation is required in service use. It has a reactive intumescent layer, which will rapidly expand when exposed to heat in a fire event, closing off the air gap and preventing vertica..
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Brand: ARC Building Solutions Model and Size: CSS50
Delivery Time: 2 - 3 working days
50mm x 50mm x 1200mm ARC Cavity Stop Sock for 50mm Cavity is a non-combustible rockfibre mineral wool cavity barrier that restricts the spread of smoke and flames within the cavity of external and internal party masonry walls. It is ideally suited for providing a cavity fire barrier within the exter..
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Brand: ARC Building Solutions Model and Size: TBM100/100GW
Delivery Time: 2 - 3 working days
ARC T-Barrier Foundation for 100mm Party Wall Cavity is a non-combustible rockfibre mineral wool cavity fire barrier that enables the closing of an external cavity at party wall junctions at foundation level receiving up to 4 hours fire integrity. ARC T-Barrier can be installed as the maso..
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Brand: ARC Building Solutions Model and Size: TBR100/25
Delivery Time: 2 - 3 working days
ARC T-Barrier Pitched Roof for 100mm Masonry Party Wall Cavity is a non-combustible rockfibre mineral wool cavity fire barrier that stops fire between party wall and roof covering. ARC T-Barrier Pitched Roof is designed to provide a fire, thermal and acoustic barrier between the top of the party wal..
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Brand: ARC Building Solutions Model and Size: TBTF100/100
Delivery Time: 2 - 3 working days
ARC T-Barrier Timber Frame for 100mm Masonry Party Wall Cavity is a non-combustible rockfibre mineral wool cavity fire barrier that enables the closing of an external cavity at timber frame party wall junctions receiving up to one hour fire integrity. ARC T-Barrier can be installed as the ..
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Brand: ARC Building Solutions Model and Size: for 100mm Cavity - 115mm x 500mm x 500mm
Delivery Time: 2 - 3 working days
ARC TCB Square is a faster and easier to install cavity barrier around service penetrations in external timber frame walls of low rise houses. It exceeds the Building Regulation part B fire safety norm EI30/15. ARC TCB Square provides a more robust solution, compared with either boxing in using cut ..
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Brand: ARC Building Solutions Model and Size: for 100mm cavity - 115mm x 120mm x 1200mm
Delivery Time: 2 - 3 working days
115mm x 120mm x 1200mm ARC TCB for 100mm Cavity is a non-combustible rockfibre mineral wool cavity barrier that restricts the spread of smoke and flames within the cavity of external and internal party timber frame walls. It is ideally suited for providing a cavity fire barrier within the external w..
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Brand: ARC Building Solutions Model and Size: WTBR1250/200/50
Delivery Time: 2 - 3 working days
ARC Wired Tile Batten Barrier is a non-combustible wire reinforced rockfibre mineral wool fire barrier that stops fire between roof covering and underside of tiles. It is used as a fire, thermal and acoustic break at the party wall between the roof tiles and roof membrane. In conjunction with t..
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Brand: ARC Building Solutions Model and Size: SSL100/600/500 - 2.4m2
Delivery Time: 2 - 3 working days
ARC Soffit Slab is a non-combustible foil faced rockfibre mineral wool fire barrier used to fill the void within the soffit at the party wall location to stop fire spreading. In conjunction with the ARC Party Wall System would create a complete fire break at the separating wall between two dwel..
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Brand: Rockwool Model and Size: 310ml
Delivery Time: 1 - 2 days
Rockwool Firepro  FirestopHigh Expansion Intumescent Sealant is a water-based acrylic intumescent sealant containing graphite, when the sealant reaches temperatures of 135C and above, it will expand and close any voids formed, to stop the passage of smoke and fire. This Intumesce..
£9.35
£11.22 inc VAT
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75mm Rockwool FirePro SP FireStop EN 60 Slab - 1000mm x 1200mm - 60 Minutes Fire Safety 75mm Rockwool FirePro SP FireStop EN 60 Slab - 1000mm x 1200mm - 60 Minutes Fire Safety
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Brand: Rockwool Model and Size: 1000mm x 1200mm - 1.2m2
Delivery Time: 2 - 3 working days
75mm Rockwool FirePro SP FireStop EN 60 is a high-performance firestop solution designed to provide exceptional fire resistance in construction applications. This innovative product is made from non-combustible stone wool, which effectively inhibits the spread of fire, smoke, and heat through servic..
Guide Price: £121.50
£145.80 inc VAT
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75mm Rockwool SP60 Firestop Cavity Slab (pack of 4)
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Brand: Rockwool Model and Size: 1000mm x 650mm - 2.60m2
Delivery Time: 2 - 3 working days
75mm Rockwool SP60 Firestop Cavity Slab systems form cavity fire stops within commercial and industrial buildings. The solution may be installed horizontally or vertically and is suitable for varying cavity widths in masonry and curtain wall constructions. The product has been designed as a one-piec..
Guide Price: £215.29
£258.35 inc VAT
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Brand: Rockwool Model and Size: 310ml
Delivery Time: 1 - 2 days
Rockwool Firepro Acoustic and Intumescent Sealant to seal joints and service gaps in compartment walls and penetration seals, ensuring your property is adequately protected. Sealant is used to reinstate the fire resistance of wall and floor constructions where there are services or linear gaps...
£4.38
£5.26 inc VAT
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Brand: Rockwool Model and Size: 5l
Delivery Time: 2 - 3 working days
Rockwool Firepro Ablative Liquid is a water-based liquid can be used to ensure the Ablative Coated batt is sealed and also to reinstate coating which may have been damaged during installation. It can be used also to provide an effective seal to inhibit the passage of smoke, as the ablative coatings ..
£50.54
£60.65 inc VAT
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Brand: Rockwool Model and Size: SP/S
Delivery Time: 2 - 3 working days
SP/S Fixing Brackets are required for the installation of Rockwool Firestop SP60 and SP120 slabs. They are designed for cavities up to, and including 100mm wide. These bracket clips that are bent to an L shape. The leg with the angled point is 300mm long; this leg is impaled into the base of the fir..
£57.06
£68.47 inc VAT
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