Cleaver-Brooks | Products & Solutions | Exhaust Solutions | Freestanding Stacks | CBS

Freestanding Stacks


  • Factory-welded joints
  • Available in carbon steel, COR-TEN® steel and stainless steel
  • High temperature insulation
  • Metal jacket is available as an option

Factory welded cylindrical freestanding stacks with single, inner and outer structure options.

View Presentation on Exhaust Solutions 

Cleaver Brooks can provide you with the design and manufacture of freestanding stacks according to American and Canadian standards requirements. Our highly qualified engineering department has diversified experience and knowledge in exhausting and venting stacks.

Model CBS:  Single structural shell stack

Model CBS2:  Cylindrical double wall stack.  Inner structural shell insulation and outer metal jacket.

Model CBS3:  Cylindrical double wall stack. Outer structural shell with air space, insulation and steel lining.

Model CBSR:  Cylindrical refractory lined freestanding stack.  Outer structural shell with refractory lining.


  • Complies with ASME, SMACNA, NFPA and ASHRAE
  • Several materials such as Carbon Steel, COR-TEN® Steel, Stainless Steel
  • High temperature insulation
  • Metal jacket when required
  • Many accessories available such as access door, platform, lightning protection, guy-wires, stack drainage, spoiler and anti-vortex equipment
  • Many safety features can be also supplied as needed



  • Reduce Fuel Costs
  • Reduce Emissions
  • Steam Solutions
  • Hot Water Solutions


  • Process Steam
  • Industrial Process
  • Building Heat
  • Sterilization
  • Humidification
  • Waste Heat Recovery
  • Hospital and Healthcare
  • Power and Utilities
  • Refineries and Petrochemical
  • Laundry and Dry Cleaning


Exhaust Solutions PPT

Exhaust Solutions PowerPoint presentation in PDF format.