The ONLY UL/ULC Fire Rated Duct System that does not require additional wraps or enclosures

DuraDuct HP, the first of the 2-hour fire rated duct systems by DuraSystems is fabricated using DuraSteel; a unique non-combustible material consisting of two metal sheets mechanically bonded to a fiber cement core. The DuraDuct systems create a safer environment when used in the standard fire resistant application that require enhanced structural strength or blast resistance.
 

        Typical Applications:

• Stairwell, vestibule and elevator pressurization
• Exhaust systems
• Blast resistant life safety systems
• Parking garage ventilation
• High transmission loss ductwork
• Hazardous material removals
• Fire rated high pressure/velocity applications

        DuraDuct HP Product Features:

• Fire & blast resistant construction
• Easily inspected after installation
• Negative & positive pressure applications
• First duct system in North America to be tested & listed by UL/ULC for fire rating ventilation applications
• Robust construction
• Unmatched structural strength
• Excellent sound breakout properties
• Impact and moisture resistant
• Slim profile provides substantial space saving - Eliminates bulky shaft wall and wrap enclosures
• Single trade installation
• Factory fabricated for fast assembly & installation on site
• Maintenance free
• Tested hanger & fire stopping methods
• Cost effective