The technique is a unique patented method employing a flexible cloth which happens to be bonded both equally physically and mechanically towards the ductwork throughout the manufacture process.
Tested in horizontal and vertical orientation individually less than cellulosic (normal time Vs. temperature curve) fire conditions and productively accomplished about 120 minutes of fire resistance for integrity and balance of
Occasionally contractors wrap regular ventilation ducts with Rockwool or non-combustible insulation of any thickness/density.
Any extra services linked to fire ductwork supports may possibly include unknown load bearing things, which in case of fire might effects The soundness in the ductwork just when it is needed most.
We manufacture non-coated fire rated ductwork that has been tested to both BS standards and EN standards.
Nevertheless, when there is a proximity of particular products and services and products mounted around the roof, then it is usually recommended.
When ductwork passes by multiple compartments, There's a chance from the fire inside of a compartment outside the kitchen. This might cause the grease In the duct to ignite and distribute fire inside the ducts through the entire building.
The devices are lightweight and House-spacing, and present around four hrs fire rating in both equally directions (Style A and sort B) in accordance with BS476: Part 24, to deliver organic air flow or mechanically pressured air flow, which include sizzling smoke extraction within the event of a fire.
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Air Master Fire Rated Ductwork helps manage pressurization units and makes sure compartmentation. The integrity with the duct and its skill to function have to be taken care of within the event of the fire.
Ducts have to be supported strictly According to producers technical specs and installation recommendations. fire safety ductwork Guidance program evaluation has to be dependant on examination performance.
Duct useful for the extraction of smoke in the event of fire and created to provide a diploma of fire resistance
In case you are involved in the provision of fire protection, at any amount, Then you certainly share liability and accountability for its usefulness and operation when it’s desired in fire. That is why you'll need to be sure that the ducting you happen to be fitting is as much as The work.
Integrity & Insulation (EI)Fire compartmentation to stop the flames or scorching gases from physically passing in the fire side towards the non-fire side through holes, gaps, cracks or any other types of openings and Restrict the increase in floor temperature about the non-fire aspect for your denoted duration