The procedure is a novel patented technique making use of a flexible cloth which happens to be bonded both equally physically and mechanically towards the ductwork throughout the manufacture process.
The fire rated ductwork is sent to web site and equipped as regular ductwork, so obviating the necessity for additional contractors.
In some cases contractors wrap normal ventilation ducts with Rockwool or non-combustible insulation of any thickness/density.
Fundamental Characteristics of Fire Rated Ductwork Fire rated ductwork commonly should pass through compartment partitions or floors that may have a prescribed fire resistance period of time regarding the load bearing capability, integrity and insulation criteria, for durations of 30 to 240 minutes. It is a prerequisite that exactly where these compartment partitions/floors are penetrated by HVAC ducts or other making providers, the fire performance standards for the penetrated wall or flooring are managed, this sort of that fire in a single compartment may well not spread to other parts.
Of course - about 34kN/m²High blast rating greater than 34kN/m² (34kPa, 5psi) causing reinforced concrete properties to become severely broken or demolished check here and most people are killed
Nonetheless, when there is a proximity of specified solutions and machines mounted within the roof, then it is usually recommended.
While we provide numerous standard alternatives within the Flamebar Ductwork array, our skilled style and design group can work intently along with you to determine the the best possible Alternative which maximises protection in significant zones although ensuring the job comes in on funds.
Smoke extract ductwork is undoubtedly an emergency system and insulation should be able to Handle the exhaust temperatures. Nevertheless this needed to be verified in a fire take a look at.
A result of the existence of grease inside the ducts, fire dampers develop into inoperable. Therefore, they supply no protection versus fire and injury.
As a completely dry installation consisting of angle framework with 9.5mm Durasteel sheets preset to the surface, the techniques is often re-worked on web site to accommodate tricky site circumstances and offer you one of a kind flexibility that other prefabricated duct methods can not.
Ducts must be supported strictly as per suppliers specs and set up rules. Aid technique assessment have to be depending on test general performance.
The approaches adopted for the fire resistance of walls and floors penetrated by air flow ducts in making regulatory requirements and underneath the guidance of BS 9999:
Air Master Smoke Extract ductwork is often a important aspect of the fire approach, by safely channeling smoke out on the developing.
It is the program which has to operate. Steadiness, Integrity and Insulation have to be tested with each other like a technique.