Quick answer: A Duramax Imperial garage kit is a heavy-duty metal garage you assemble yourself. It is built from hot-dipped galvanized steel with thick, ribbed, dent-resistant walls, and the reinforced roof handles up to 20 pounds of snow per square foot. It comes in sizes like 12 by 20, 12 by 26, and 12 by 32 feet, with a wide 99-inch roll-up door and a lockable side door. Two people can usually put one up over a weekend on a level concrete pad.
When you need to protect a vehicle or add serious storage, a Duramax Imperial garage kit is one of the strongest options you can buy. Unlike thin-walled metal garages that dent easily, the Imperial uses thicker steel and a ribbed panel design for real strength. Here is what it is made of, the sizes and doors you get, how you install it, what it costs compared to building one, and whether it is worth it.
What is a Duramax Imperial garage kit?
A Duramax Imperial garage kit is a prefabricated metal garage that ships cut to fit and ready to assemble. It is made from hot-dipped galvanized steel, so it resists rust and corrosion for decades. You build it yourself on a prepared concrete pad, which makes it far faster and cheaper than a stick-built garage.
Think of it as a garage in a box. Every part is factory-made to fit, and a step-by-step manual walks you through the build. Because it is steel, it will not rot, warp, or attract termites the way a wood structure can, so it holds up with very little upkeep.
How strong is a Duramax Imperial garage?
Very strong for a kit. The frame is hot-dipped galvanized steel, which adds a zinc coating that fights rust and corrosion. The walls use thicker steel with a ribbed design for dent resistance, and metal columns add rigidity. The reinforced roof truss system is rated to hold up to 20 pounds of snow per square foot.
That combination is what sets the Imperial apart from cheaper metal garages that dent and flex. The galvanized coating bonds to the steel, so even minor scratches stay protected. For most climates, including areas with real winters, the 20-pound snow rating gives you a solid margin.
What sizes and doors do you get?
The Imperial comes in several footprints, most commonly 12 by 20, 12 by 26, and 12 by 32 feet, with a ceiling around 8 to 8.5 feet. Every size has a wide 99-inch roll-up front door that fits most SUVs and trucks, plus a lockable side door for easy walk-in access and added security.
|
Size (W x D) |
Roughly Fits |
Best For |
|
12 x 20 ft |
One vehicle plus tools and storage |
A single-car garage or small workshop |
|
12 x 26 ft |
One vehicle plus workspace |
Longer vehicles, boats, or a shop |
|
12 x 32 ft |
The largest footprint |
Big equipment, RVs, or a full workshop |
The interior is open, with no obstructing center columns, so you have full flexibility to park a vehicle, set up a workbench, or add shelving along the walls. Measure your site and allow for local setbacks before you choose a size.
How do you install a Duramax Imperial garage kit, and what foundation does it need?
It is a do-it-yourself kit. Two people with basic skills can usually assemble one over a weekend once the pad is ready. You need a level concrete slab, about 4 to 6 inches thick, with anchor bolts to hold the building down. Slope the ground so water drains away, and check your local building code first.
The build follows a clear order: set the frame, attach the wall panels, install the roof trusses and panels, then mount the roll-up and side doors. The included manual walks through each step. Getting the pad flat and square up front is the single biggest factor in a smooth, fast assembly, so take your time with the foundation before parts go up.
Is a metal garage kit cheaper than building one?
Usually, yes, and by a wide margin. A site-built garage often runs $10,000 to $15,000 or more once you add labor, permits, and foundation work, and costs can climb with change orders and weather delays. A prefabricated kit arrives cut to fit at a fixed price, so there is far less waste and fewer surprises.
The savings continue after it is up. Galvanized steel does not need painting, sealing, or the repairs that wood structures eventually require, so your long-term maintenance cost stays low. For most owners, the kit route delivers a stronger building for less money, both up front and over time.
How do you maintain a Duramax Imperial garage?
Maintenance is minimal. The galvanized steel resists rust, rot, and pests, so there is no painting or sealing. A quick check a couple of times a year keeps everything in good shape. Mostly you just keep it clean and make sure the doors and drainage stay clear.
● Clean it. Rinse or pressure wash off dirt and debris now and then.
● Inspect it. Check for loose fasteners or minor damage a couple of times a year.
● Lubricate the doors. Keep the roll-up and side door hardware moving smoothly.
● Watch the drainage. Make sure water runs away from the foundation, not toward it.
Is a Duramax Imperial garage worth it, and what warranty is included?
For most owners, yes. It gives you secure, weatherproof storage for a vehicle, gear, or a workshop, it needs almost no upkeep, and it can add to your property's appeal. Duramax backs the Imperial with a 10-year limited warranty on structural components and materials, which reflects confidence in the build.
The value comes from strength plus low cost of ownership. You get a galvanized steel building that lasts for decades, a warranty behind it, and materials that are fully recyclable at the end of their life. If you want a permanent, low-maintenance building without the price of stick-built construction, the Imperial is worth a close look.
Frequently Asked Questions
How long does it take to assemble a Duramax Imperial garage?
Two people with basic skills can usually put one up over a weekend, once the concrete pad is ready. The step-by-step manual walks you through the frame, walls, roof, and doors in order.
What foundation does a Duramax Imperial garage need?
A level concrete slab, about 4 to 6 inches thick, with anchor bolts to hold the building down. Slope the ground so water drains away, and check your local building code before you pour.
How much snow can the roof handle?
The reinforced roof truss system is rated for up to 20 pounds of snow per square foot, which suits most winter climates. Always follow the manufacturer's rating for your area.
Can you add electricity to a Duramax Imperial garage?
Yes. The building is not pre-wired, but you can run conduit through the panels or under the slab for lights, outlets, and a door opener. Have a licensed electrician do the wiring so it meets code.
How do metal garage kits compare to a wood garage?
Galvanized steel does not rot, warp, or attract termites the way wood can, so it needs far less upkeep. A kit also goes up faster than a stick-built garage and arrives cut to fit.
The Bottom Line: A Strong, Low-Maintenance Garage You Can Build Yourself
A Duramax Imperial garage kit gives you a tough, galvanized steel building that shrugs off rust, dents, and weather, for far less than a stick-built garage. It arrives cut to fit, two people can raise it over a weekend, and it needs almost no upkeep. If you want secure, lasting storage for a vehicle, gear, or a workshop, it is hard to beat.
Ready to add serious storage? Browse our Imperial metal garages and our full range of metal sheds, and for help sizing and choosing a building, read our complete guide to outdoor storage buildings. Every building ships free, we are family owned and BBB accredited, and financing is available.
