Is ductwork fire rated?
Regular ventilation ducts offer no fire protection, unless they have been designed and tested and classified to have achieved an E rating. It’s a system! And it works. It delivers the highest possible protection against fire.
What is DuraDuct?
DuraDuct™ GNX is a light weight 2-hour fire rated duct system. DuraDuct™ GNX is an innovative ETL and UL/ULC listed 2-hour fire resistance rated duct system that does not require additional wraps or enclosures. It uses a unique and patented double wall construction that is lightweight, impact and moisture resistant.
Does fire rated ductwork need to be insulated?
During such a fire, the temperature in the duct can be up to 800°C and beyond. This elevated temperature rise requires high-end, specialised insulation solutions to protect the people inside these buildings.
Does smoke extract ductwork need to be fire rated?
It is not necessary for the ductwork to maintain it’s cross sectional area in a fire. Smoke extract fire ductwork: This ductwork is for extracting smoke from the building and should be fire rated equal to the compartment walls or floors through which is passes for stability, integrity and insulation.
Does kitchen extract ductwork need to be fire rated?
Ductwork within the kitchen compartment does not have to be fire rated. Maintaining the fire integrity of fire- rated ductwork should be a consideration when installation takes place.
What is a zero clearance duct?
0″ Clearance grease duct (3″ insulation & 2 hours fire rating) eliminates the need for a separate fire-rated enclosure around the duct. Inner casing available in 304 or 316 stainless steel. No safety concerns with having welding on site that could cause a fire. Backed by a comprehensive Limited Lifetime Warranty.
What does ductwork usually require for fire resistance properties?
Fire-resisting ducts are required to have a minimum fire resistance of 30 minutes (integrity).
What are the types of duct?
There are three types of duct systems. Namely, flexible ductwork, rigid ductwork, and semi-rigid ductwork. We’ve compiled information on each of these duct systems. These ducts are typically tube-shaped and made of a wire coil covered with a bendable, durable plastic, and surrounded by insulation.
What is grease duct made of?
Field fabricated is typically made from 16 gauge carbon steel, all welded per local codes, which is then externally treated with fireproofing.
Why choose flamebar® ducts?
Flamebar® duct systems satisfy all four requirements and have been incorporated into local high-rise projects by BCH. What is Flamebar®? Flamebar® is a fire-rated duct system which utilizes pre-fabricated ductwork with a fire resistant coating, Flamebar® BW11, in lieu of typical fire wrap.
What is flamebar®?
What is Flamebar®? Flamebar® is a fire-rated duct system which utilizes pre-fabricated ductwork with a fire resistant coating, Flamebar® BW11, in lieu of typical fire wrap. This proprietary coating allows systems to meet and exceed two-hour and four-hour test standards.
Is flamebar bw11 fire resistant?
Fire resistant applications Flamebar BW11 has been designed and developed to be a lightweight, highly durable fire rated ductwork system complying with the latest standards. Flamebar BW11 is a specially formulated water based compound which is sprayed onto metal ductwork.
What are the benefits of the flamebar vertical risers?
The Specific Benefits Include: Saves time- We can install the Flamebar vertical risers at early stages before the roof is dried, allowing us/the General Contractor to not have to build a fully rated shaft.