DuraDuct™ KEX

Zero Clearance Kitchen Exhaust Duct

DuraDuct™ KEX is a pre-manufactured and non-combustible double wall kitchen exhaust duct system.

DuraDuct™ KEX is the largest listed kitchen exhaust duct system in the industry. It is rated for 2 hours fire resistance with zero clearance to combustibles and it is compliant with International Mechanical Code (IMC), National Building Code of Canada (NBCC) and National Fire Protection Association (NFPA) codes.

The DuraDuct™ KEX system is listed to meet the requirements of ASTM E2336 and UL 1978, CAN/ULC S144 and CAN/ULC S662, as well as being listed for compliance to the International Code Council ICC-ES AC101.2 acceptance criteria for segmented grease duct systems.

By using companion flange connections, DuraDuct KEX eliminates the field welding required for contractor fabricated zero clearance grease duct systems. Utilizing a rectangular footprint, the DuraDuct™ KEX system allows flexibility in the design of Type I and Type II commercial kitchen exhaust duct systems, enabling the designer to achieve the required airflows in shallower ceiling spaces.

DuraDuct™ KEX listing number: ETL listing DSB FMF 120-01

The DuraDuct™ KEX system has proven through extensive testing to ensure a safe and cost effective solution for new restaurant zero clearance grease duct exhaust systems, commercial kitchens and retrofitting kitchen exhaust duct systems.

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