Calculate Your Savings Now!
We can show you, not just tell you, how GreenSeam Plus will safely save you time and money. Utilize the all new GreenSeam Plus Calculator to automatically see your cost, labor, and time savings when you use GreenSeam Plus Snap-Lock pipe over unsealed.
IN AN UNCERTAIN WORLD, YOU CAN COUNT ON US
Even in times of uncertainty, you can count on GSI to stay ahead of the game. Our purchasing team’s exceptional preparation in stocking and maintaining supply has allowed our factory sealed products to remain readily available.
GREENSEAM PLUS – THE LATEST INNOVATION IN JOBSITE SAFETY
GSI's Factory Sealed Duct and Fittings Provide A Unique Solution For One Of The Industry's Most Common Jobsite Injuries.
Factory Sealed Utilizing Our Patented GreenSeam Technology Along Both The Longitudinal and Transverse Joints. Quick and Easy Installation. No Additional Sealing Required.Browse Pipes
GSI’s most versatile factory sealed fittings, combining efficient use of space and optimal airflow. Our fittings are available in multiple styles and configurations to suit virtually every installation need.Browse Fittings
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Save Money Seamlessly
GreenSeam Plus is more than just pipe… it’s a game changer. The factory sealed Green Seam Plus snap-lock pipe system ensures a safer, faster installation-significantly reducing labor costs. Welcome to your competitive advantage.Calculate Your Savings
Looking for detailed information on GreenSeam Plus or a specific style of fitting? Browse our library of specification sheets.View Spec Sheets
Looking for testing documents or our comprehensive engineering submittal packages? Look no further than our Technical Documents section.View Technical Documents
“Our distributor had product available as needed-no waiting for special deliveries. Cost is competitive with traditional spiral and custom manufactured ducts making them cost effective”Continue Reading
GOLD STANDARD PRODUCT QUALITY BACKED BY OUR INDUSTRY LEADING QUALITY CONTROL PROGRAM
GreenSeam Plus Factory sealed snap-lock pipe has been thoughtfully designed and rigorously tested to surpass SMACNA Class 3 Leakage Standards without the need for any external sealants or tapes.Learn More
The Latest NewsRead All News
Pennsylvania Manufacturing Advisory Council Releases Playbook for Competitiveness
DMI Companies, Inc.’s President and CEO Ray Yeager has worked closely with the Pennsylvania Manufacturing Advisory Council and other manufacturers for the past 18 months to develop a complete Manufacturing …
Our 2020 Sustainability Report Is Now Available
Our annual report is now available highlighting our corporate wide sustainability efforts including our Zero Waste and Energy/Water Conversations strategies. The Year’s Overview – Ray Yeager, President and CEO Dear …
GreenSeam Plus – In an Uncertain World, You Can Count on Us
The past 12 months have been a time of worldwide uncertainty, and the HVAC industry is no exception. As you may know, the current raw material shortages required for manufacturing …