Steel Stacks Overview

Steel Stack Design and ConstructionCommonwealth has designed and built more steel stack systems than any company in the world. We are recognized as a leader in dual wall and single wall steel stack technology having been responsible for over thirty years of research, development, and in-service testing. Our team of engineering experts continue to provide practical solutions to the many challenging service conditions facing today's complex stack projects.


Single Wall Steel

Dual Wall Steel

HRSG Stacks

Tower Supported Stacks

Incinerator Stacks

Combustion Turbine Exhaust Systems


Design & Engineering



Field Erection Services


Maintenance & Repair