Steel Stacks

Fabric Expansion Joints

Dampers

• Radial Vane
• Wafer/ Butterfly
• Stack Isolation
• Poppet
• Tuned Mass
• Louver
• Guillotine/ Slide Gate
• Diverter

Custom Ductwork

• Aluminum
• Stainless Steel
• Galvanized
• Clamp-Together
• Flanged
• Round G90 Spiral 
• Electro Polished

Parts

• Damper Linkages
• Expansion Joint Belt Repair/ Splice Kits
• Fabric Expansion Joint Belts
• Fabric Joints over Existing Metal Joints
• Equipment Skids
• Actuators

Services

• Engineering Retrofits
• Application Engineering
• Educational Seminars
• Specification Review
• Site Visits
• Ductwork Design
• Stack Engineering