M&G Duravent specializes in professional quality venting products such as exhaust stacks, vents, B-vents and chimneys.

  • Boiler exhaust stack from 3" to 30", including FAS N SEAL 5/3 stack
  • DuraStack (Pressurized stack)
  • Grease duct (UL approved)


DuraStack DIS and DAS Venting System

A modular double-wall positive pressure chimney system. Factory built for boiler breeching, engine exhaust, and chimney stack. Grease duct (DIS only).

FasNSeal, FasNSeal 2, and FasNSeal Flex

Single-wall and double-wall special gas vent systems.