Post-Tensioning Duct

C&K Johnson Industries has been a leader in producing spiral steel multi-strand post-tensioning duct in North America for over 25 years. Through the years the post-tensioning industry has grown and matured, and JI has continued to grow with it. C&K Johnson Industries now provides over 1,000,000 feet per year of metal post tensioning duct to numerous projects in a variety of industries throughout the world.

From the 10 Billion dollar Sakhalin project in Eastern Russia, to the new Bay Bridge right here in California C&K Johnson Industries duct plays a critical role in the post tensioning process. Our close proximity to the port of Oakland has given us the ability to ship product all over the world while maintaining quality and ensuring that costs are kept low.

Please give us a call to quote your next post-tensioning project.