Cavity Barriers

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Top sellers

Envirograf Silicone Fireproof Sealant

£9.78 (tax excl.)

£9.78 (excl VAT)
£11.74 (incl VAT)

Envirograf Intumescent Pipe Wrap for 3 hours...

£1.41 (tax excl.)

£1.41 (excl VAT)
£1.69 (incl VAT)

Envirograf Intumescent Liner for Letterbox...

£12.83 (tax excl.)

£12.83 (excl VAT)
£15.40 (incl VAT)

Envirograf Cavity Strip Barrier up to 120...

£15.72 (tax excl.)

£15.72 (excl VAT)
£18.86 (incl VAT)

Envirograf Wood Filler

£8.26 (tax excl.)

£8.26 (excl VAT)
£9.91 (incl VAT)

Fire Barriers

Fireproof barriers to protect walls, floors, ceilings, roofs, gaps, voids, assets and furniture.

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Cavity Barriers

Envirograf Cavity Strip Barrier up to 120 minutes protection

£15.72 (tax excl.)

£15.72 (excl VAT)
£18.86 (incl VAT)

A flexible, PVC and foil-clad intumescent strip with self-adhesive backing to adhere it to walls. The strip provides up to 120 minutes protection. High expansion intumescent will lock against the external side of the...

Cavity Barriers

Envirograf Free Air Flow Cavity Barrier up to 140 minutes protection

£14.75 (tax excl.)

£14.75 (excl VAT)
£17.70 (incl VAT)

Ideally used for party walls and party floors. The Envirograf Universal Cavity Barrier is probably one of the simplest cavity seals to install in these areas. It has a protective outer sleeve which offers full...

Cavity Barriers

Envirograf Flexible Non-Ventilated Cavity Wall Barrier for up to 130 minutes protection

£12.75 (tax excl.)

£12.75 (excl VAT)
£15.30 (incl VAT)

A 5mm thick foil clad intumescent cavity barrier 2000mm long that is easy to install. It consists of an intumescent strip faced with high tensile foil, which expands to create a powerful fire and smoke seal. The WB...

Cavity Barriers

Envirograf Flexible Ventilated Cavity Wall Barrier for up to 130 minutes protection

£15.88 (tax excl.)

£15.88 (excl VAT)
£19.06 (incl VAT)

A versatile 5mm thick mesh reinforced foil clad intumescent cavity barrier that is easy to install. The barrier forms a powerful intumescent seal that in the event of will expand filling the cavity stopping the...

Cavity Barriers

Envirograf Non Ventilated Sponge Cavity Wall Barrier

£16.56 (tax excl.)

£16.56 (excl VAT)
£19.87 (incl VAT)

The Non Ventilated Sponge Cavity Barrier is manufactured from a 40mm thick flexible fire proof sponge which is fixed in a horizontal position in a brick/block cavity. The Sponge Cavity Barrier has unique self spring...

Cavity Barriers

Envirograf Ventilated Sponge Cavity Wall Barrier

£23.57 (tax excl.)

£23.57 (excl VAT)
£28.28 (incl VAT)

The Ventilated Sponge Cavity Barrier is manufactured from a 40mm thick flexible fire proof sponge which is fixed in a horizontal position in a brick/block cavity. The Sponge Cavity Barrier has unique self spring...

Cavity Barriers

Envirograf RSF Foiled Sponge Rain Screen Barrier

£15.93 (tax excl.)

£15.93 (excl VAT)
£19.12 (incl VAT)

Intumescent impregnated sponge cavity barriers with fire and smoke stopping capabilities, clad in moisture resistant foil. It is fitted with a thick, front-facing strip of intumescent which will expand outwards in a...

Cavity Barriers

Envirograf Un-Ventilated Rainscreen Cavity Barrier for up to 130 minutes protection

£13.76 (tax excl.)

£13.76 (excl VAT)
£16.51 (incl VAT)

A 5mm thick foil clad intumescent cavity barrier 1 metre or 2 metres long that is easy to install. It comprises an intumescent cloth on a galvanised mesh covered with high tensile foil and in a fire will expand to...

Cavity Barriers

Envirograf Ventilated Rainscreen Cavity Barrier for free air flow

£21.13 (tax excl.)

£21.13 (excl VAT)
£25.36 (incl VAT)

A 5mm thick foil clad intumescent cavity barrier 1 metre or 2 metres long that is easy to install. It consists of an intumescent cloth on a galvanised mesh covered with high tensile foil and expands to create a...

Cavity Barriers

Envirograf Thermal Fire Cavity Barrier for up to 130 minutes protection

£7.36 (tax excl.)

£7.36 (excl VAT)
£8.83 (incl VAT)

The Envirograf Thermal Fire Cavity Barrier comprises a flexible fire proof sponge 30mm deep, fixed to a thin foil faced intumescent strip. Provides up to 2 hours hour protection. The system is completely moisture...

Floor, Ceiling & Wall Protection

Envirograf 60 Minutes Under Floor Fire Barrier

£22.97 (tax excl.)

£22.97 (excl VAT)
£27.56 (incl VAT)

A fire proof fabric barrier providing 60 minutes integrity and insulation, It fits between joists and over the top of plasterboard or lath-and-plaster ceilings, giving full fire protection to floorboards and any...

Showing 1-11 of 11 item(s)

Cavity Barriers are pieces of fire stopping material. They are fitted within the cavity of a building at each floor horizontally and vertically around windows. The material provides compartmentation. This means that both the flames and heat cannot be transferred to other compartment areas. Throughout the life of the building, the Cavity Barrier will remain fixed in place. In the event of a fire, the intumescent material expands and seals off the gaps. Additionally, the horizontal barriers allow for a ventilation gap within the cavity. This will be closed when the intumescent expands.

01793 525241

Envirograf Silicone Fireproof Sealant

Envirograf Intumescent Pipe Wrap for 3 hours...

Envirograf Intumescent Liner for Letterbox...

Envirograf Cavity Strip Barrier up to 120...

Envirograf Wood Filler

Fire Barriers

Envirograf Cavity Strip Barrier up to 120 minutes protection

Envirograf Free Air Flow Cavity Barrier up to 140 minutes protection

Envirograf Flexible Non-Ventilated Cavity Wall Barrier for up to 130 minutes protection

Envirograf Flexible Ventilated Cavity Wall Barrier for up to 130 minutes protection

Envirograf Non Ventilated Sponge Cavity Wall Barrier

Envirograf Ventilated Sponge Cavity Wall Barrier

Envirograf RSF Foiled Sponge Rain Screen Barrier

Envirograf Un-Ventilated Rainscreen Cavity Barrier for up to 130 minutes protection

Envirograf Ventilated Rainscreen Cavity Barrier for free air flow

Envirograf Thermal Fire Cavity Barrier for up to 130 minutes protection

Envirograf 60 Minutes Under Floor Fire Barrier

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