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Free Technical Support For Passive Fire Products

Free Technical Support

Fast free technical advice for products and projects.


Passive Fire Products range of ventilation Fire protection.

Passive fire offer a range of ventilation fire products our range of duct sleeves offer up to 120 minutes’ fire resistance to all common PVC/plastic ventilation ducts.

We also offer a range of air transfer fire grille applications and plates. The resulting air grille can maintain ventilation within a building whilst also maintaining the fire rating of fire resistant elements for up to 1-hour Fire Resistance

Under normal conditions, the material offers a high level of free open area for excellent ventilation and air flow properties. However, in the event of a fire the intumescent material quickly expands to seal off the grille to provide an effective seal against fire and hot gases.

For clarification on minimum requirements before buying one of our fire-stopping products, please review the information. A written specification should be obtained from our Technical Department for your project prior to use to ensure the product will be suitable.

If there is a product you cannot find, please contact our Technical and Sales Support Team on 0333 043 0018

Fire Sleeves for Ducting Systems 110v26

110v26 Fire protection for ducting and ventilation systems that pass through the fire-rated block, b...

Intumescent Fan Cover

Material Specification:Multigraf Intumescent material chemical constitutionMineral Wool Fibre 20-70%...

Envirograf MG and MGL intumescent grilles

Envirograf intumescent fire prevention ventilation grille consisting of an inner and outer plate hav...

Firetherm Intusleeve Duct

A 140 to 300 mm (dependent on requirement) deep steel sleeve that is positioned around the ductwork....

Protecta Fr Damper

Protecta FR Damper are designed to fire seal ventilation ducts passing through fire rated walls and ...

Envirograf Intumescent Block Grilles

Envirograf intumescent block grills offer over 4 hours fire protection and 90% airflow. Can be manuf...

Quelfire CE Marked Fire Sleeve

QRS CE Marked Intumescent Vent Duct Fire Sleeves prevent the spread of fire where plastic & semi rig...

Quelfire CFC Ceiling Fan Cuffs

Product InformationTested on the following Extract Fan Units:Envirovent Profile 100 FanEnvirovent Si...

Fire Sleeves for Ducting Systems 110v29

110v29 Fire protection for ducting and ventilation systems that pass through the fire-rated block, b...

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