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Standard Series

When you consider quality and value, Mueller’s Standard Series Kits are the finest pre-designed steel buildings you can buy. They’re built of heavy-duty structural steel, and they definitely set the standard for ease of assembly and flexibility. Whether you need a workshop, garage, barn or large storage space, you simply can’t go wrong with these pre-engineered steel building kits. Available in a variety of sizes, they can be assembled with bolts and screws, with no welding required. You can pick them up at any Mueller branch or, for a small fee, have them delivered to your site.

Each Kit Includes

  • Bolt together frame
  • Coldform end walls
  • 26 gauge Galvalume roof with 20-year limited warranty
  • 26 gauge Colored walls with 35/40-year limited warranty (White, Tan, Light Stone, Light Gray)
  • Basic trim package
  • Anchor Bolt plans, and erection drawings
  • Framed opening centered in one end wall. (Door not included)
  • Big Barn XL has a framed opening centered in both end wall

Available Sizes

A large red metal garage with two white roll-up doors and a green metal roof, set in a desert landscape with scattered buildings and trees under a blue sky.

Small Barn

30 x 50 x 12 

Large white and gray metal building with three garage doors, surrounded by green artificial turf, a gazebo, outdoor furniture, and a fire pit in the foreground.

Big Workshop

30 x 40 x 12

Aerial view of a red metal garage with two white doors on a dirt lot, surrounded by a rural landscape with scattered houses and open land.

Workshop

24 x 24 x 10

A large beige metal horse barn with an open entrance, a side door, and a window, located on a dirt path, with a green gate nearby.

Small Workshop

30 x 50 x 12

A large beige metal garage with blue trims, two open doors showing a black classic car on the left and an orange classic car on the right. Steps leading to a loft visible.

Big Barn XL

40 x 60 x 16

Large tan metal building with two garage doors, housing a blue tractor and small lawnmower outside, set in a rural area with clear sky.

Garage

24 x 30 x 11

A large red metal garage with two white roll-up doors and a green metal roof, set in a desert landscape with scattered buildings and trees under a blue sky.

Small Barn

30 x 50 x 12 

Large white and gray metal building with three garage doors, surrounded by green artificial turf, a gazebo, outdoor furniture, and a fire pit in the foreground.

Big Workshop

30 x 40 x 12

Aerial view of a red metal garage with two white doors on a dirt lot, surrounded by a rural landscape with scattered houses and open land.

Workshop

24 x 24 x 10

A large beige metal horse barn with an open entrance, a side door, and a window, located on a dirt path, with a green gate nearby.

Small Workshop

30 x 50 x 12

A large beige metal garage with blue trims, two open doors showing a black classic car on the left and an orange classic car on the right. Steps leading to a loft visible.

Big Barn XL

40 x 60 x 16

Large tan metal building with two garage doors, housing a blue tractor and small lawnmower outside, set in a rural area with clear sky.

Garage

24 x 30 x 11

Available Sizes

24' x 30' x 11'                                                              The 24' x 30' x 11' Garage kit is a great way to protect your vehicles from the weather.  

Garage

24 x 24 x 10

Workshop

24 x 30 x 11

Big Workshop

30 x 50 x 12

Small Barn

40 x 50 x 14

Big Barn

40 x 60 x 16

Big Barn XL

Available Sizes

Small airplane parked in front of a red metal hangar on a clear day.

Garage

24 x 30 x 11                                                                

The 24' x 30' x 11' Garage kit is a great way to protect your vehicles from the weather.  

Small airplane parked in front of a red metal hangar on a clear day.

Big Workshop

24 x 24 x 10

Small airplane parked in front of a red metal hangar on a clear day.

TEST

TEST

Small airplane parked in front of a red metal hangar on a clear day.

TEST

TEST

Small airplane parked in front of a red metal hangar on a clear day.

TEST

TEST

Small airplane parked in front of a red metal hangar on a clear day.

TEST

TEST

Standard Series Kits

When you consider quality and value, Mueller’s Standard Series Kits are the finest pre-designed steel buildings you can buy. They’re built of heavy-duty structural steel, and they definitely set the standard for ease of assembly and flexibility. Whether you need a workshop, garage, barn or large storage space, you simply can’t go wrong with these pre-engineered steel building kits. Available in a variety of sizes, they can be assembled with bolts and screws, with no welding required. You can pick them up at any Mueller branch or, for a small fee, have them delivered to your site.

Each Kit Includes

  • Bolt together frame
  • Coldform end walls
  • 26 gauge Galvalume roof with 20-year limited warranty
  • 26 gauge Colored walls with 35/40-year limited warranty (White, Tan, Light Stone, Light Gray)
  • Basic trim package
  • Anchor Bolt plans, and erection drawings
  • Framed opening centered in one end wall. (Door not included)
  • Big Barn XL has a framed opening centered in both end wall

Available Sizes

Garage

24 x 30 x 11       

The 24' x 30' x 11' Garage kit is a great way to protect your vehicles from the weather.  

Big Workshop

24 x 30 x 11       

The 24' x 30' x 11' Garage kit is a great way to protect your vehicles from the weather.  

Small Barn

24 x 30 x 11       

The 24' x 30' x 11' Garage kit is a great way to protect your vehicles from the weather.  

Big Barn

24 x 30 x 11       

The 24' x 30' x 11' Garage kit is a great way to protect your vehicles from the weather.  

Big Barn XL

24 x 30 x 11       

The 24' x 30' x 11' Garage kit is a great way to protect your vehicles from the weather.  

Big Workshop

24 x 30 x 11       

The 24' x 30' x 11' Garage kit is a great way to protect your vehicles from the weather.