A-Frame Garage Shed

garages for sale for montana 4

12′ x 18′  starts as low as

$ 10,828.15

Rent-to-own starting at

$ 451.17 a month

A-Frame Garage Storage Shed for sale in Montana

The A-Frame Garage offers cost-effective vehicle protection.

MSC’s prefabricated A-Frame garages are an excellent solution to keep your vehicles out of the elements. They are built at our shop to ensure quality and efficiency. Our innovative wood floors are designed to stand the test of time in the harsh Northwest. Per request, we can also place your garage on a concrete slab foundation.

Standard Features


  • 4×4 pressure treated runners
  • 2 skids on 8’ wide buildings
  • 5 skids on 10’ and 12’ side buildings (7 on 14’ and 16’)
  • 3/4″ Tongue and Groove flooring
  • 8″ on center floor joists

Side Walls

  • Framing 16” O/C
  • 7′ 4.5″ wall height
  • LP SmartSiding (50-year warranty)
  • Painted exterior (your choice of color)
  • Contrasting painted trim color included
  • 9×7 Overhead garage door (no double wood door) (1x)
  • House-style door (no glass) (1x)
  • 3′ Steel Man Door (1x)
  • 8”x16” gable vents (2x)
  • 1 24″x36″ aluminum window


  • Roofing trusses 16” O/C
  • 40-year metal roof tuff rib
  • Synthetic roof felt

DESIGN YOUR OWN A-frame garage

Did you know you can create and customize a 3D model of the prefab garage that you want to purchase? Here are a few of the ways that you can personalize your A-frame garage.

Pick A Size

We offer a wide selection of sizes that allow you to pick the perfect-sized garage for your vehicle.


Select any color and material for the interior and exterior walls and the roof of your prefab garage shed.


Windows come in sizes from 14×21 to 24×36 with aluminum, vinyl, and wood material options. Single, Steel, Dutch, Double, Roll-up, Overhead garage doors, and animal shelter openings can be manufactured from fiberglass steel or wood materials and come in various sizes.


Our A-Frame Garage sheds can be modified into an office or a workshop by customizing and adding basic electric packages, insulation, or structural options such as T&G Flooring or an exterior porch.

a-frame garage Delivery

We offer secure and complimentary 50-mile shipping with any building that is custom or from inventory at our over 50 locations in six Northwestern states, including Montana, Idaho, Nebraska, South Dakota, Utah, and Wyoming.