920-892-6223 sales@gwsmllc.com

Sheet Metal Ductwork Is Just The Beginning

Heavy fabrication and custom stainless steel have moved us into a premier role as a metal shop. Our skilled tradesmen and women thrive on complex projects.

Spiral Ductwork

As a custom fabricator of spiral ductwork and accessories, GWSM can meet your requirements. Aluminum, galvanized, paint-grip, 4×4 mil polyvinyl, and stainless steel are available. We have the capacity to run 3” up to 48” rounds. Our spiral sheet metal is joined with E-Z Flanges, Barrel Clamps, Seal Systems, Spiral Pipe Connectors, or Companion Angle Rings.

Rectangular Ductwork

Aluminum, stainless steel, paint grip, galvanized, and polyvinyl-coated ductwork is available per your project needs. GWSM fabricates single and double-wall rectangular ductwork in 5’ lengths. All of our ductwork is completely customizable and tailored to your needs. You choose your degree, radius, and thickness.

Custom Fabrication

Our capabilites in custom metal working are extensive. We specialize in the more complex projects in iron, steel, aluminium and stainless steel. With 40tons of lifting capacity and dedicated floor space for larger items, we’ll get it done for you, no matter what it is.

Sheet Metal Fabrication

At Greater Wisconsin Sheet Metal, we’re more than just experts in metal; we’re craftsmen with a passion. When it comes to custom stainless steel and heavy fabrication, we put our solid reputation into every bend, cut, and weld, ensuring your project is crafted with care and precision. Stainless steel isn’t just a material to us; it’s a promise of durability, fighting off rust and wear to stand strong year after year. And when the going gets tough, our heavy fabrication skills shine, tackling big challenges with a mix of strength, skill, and a bit of finesse. Choosing us means you’re getting a partner who’s as invested in your project’s success as you are.

Let’s build something amazing together.

Examples of some of our sheet metal creations, we specialize in ductwork, however, we can and do build some very cool things.

Durability Guaranteed: Choosing the Best Sheet Metal for Industrial Applications

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Heavy Duty Sheet Metal Tools: Essential Equipment for Large Scale Fabrication

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A Mechanical Contractor’s Guide to Ductwork in Commercial and Industrial Settings

Hello, mechanical contractors! In our line of work, ductwork is a fundamental aspect of HVAC systems in commercial and industrial environments. Let's check into the types of ductwork we frequently encounter, focusing primarily on sheet metal ducts while touching...

Unveiling the Secret to Exceptional Sheet Metal Fabrication: Your Essential Guide

Today, we're digging into a topic that's crucial yet often overlooked in the construction and industrial realms - the art and science of quality sheet metal fabrication. Whether you're a seasoned contractor or just starting out, understanding the intricacies of sheet...
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Chad and Tom are great guys to work with and they get this business. They will not ever leave me hanging. Sometimes I have to ask for quick production and they try their best to get me in!

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