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).

The DuraStack DIS and DAS venting systems are designed to offer the ultimate in installation convenience and versatility for a variety of applications. Certified for commercial chimney as a modular double-wall positive pressure chimney system. Factory built for boiler breeching, engine exhaust, and chimney stack. Grease duct (DIS only) and diesel exhaust applications. Thick-gauge material for the inner pipe and coupling provides a strong and rigid assembly. Self-centering flue design significantly simplifies and accelerates the installation process. Coupling configuration (patent pending) requires only one locking band and the use of a regular, less expensive, high-temperature silicone sealant.

Available in sizes from 5" to 36" diameters, the DIS line offers double-wall, 2" insulated chimneys, and the DAS offers a 2" air insulated product. For premium corrosion resistance and durability, the inner wall is constructed from .035" Stainless Steel 304 or 316. This is coupled with a .018" Stainless Steel 304, 316 or Galvalume® (Aluminum-zinc coated) steel outer wall. The DIS is lined with the highest-quality insulation, densely packed to ensure low heat loss, maximum draft and a 1" clearance to combustible materials.


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DuraVent

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)