Duramax 50931 Metal Garage – 12’x20′ Metal Storage Shed – Off White with Brown Trim


Backordered – ETA End of August


DuraMax Imperial Metal Garages offer strength and durability, low maintenance and lots of storage space. At 12’x20’, the base model has approximately 1,896 cubic feet of space. A wide 99” roll-up door accommodates all common SUVs for secure parking storage, while the side lockable door provides added convenience and security.

Out of stock

Categories: , SKU: DURAMAX-50931


The DuraMax Imperial Metal Garage is the strongest steel outdoor building you can find today. While most metal garages have thin, flimsy walls that dent and ding soon after you assemble them, DuraMax metal garages have thicker steel walls and a special rib design for greater strength and dent resistance. The metal reinforced roof support truss system even handles over 20 lb. per square foot of snow. Made with hot dipped galvanized steel frame parts, the attractive design and color of the Imperial Metal Garage goes well in any landscape.


  • Side Lockable Door for Added Convenience and Security
  • Ridge Reinforced Walls
  • Hot Dipped Galvanized Steel Frame Parts
  • 98.75″ wide x 78.75″ height Front Door Roll Up Opening
  • Available in three colors:  Anthracite w/ Off White Trim, Green with Off White Trim and Off White with  Brown Trim
  • Backed by a 10 Year Limited Warranty


  • Exterior Width: 146″
  • Exterior Length/Depth: 238″
  • Exterior Height: 102″
  • Interior Width: 137″
  • Interior Length/Depth: 233″
  • Interior Height: 83″
  • Door Width: 99″
  • Door Height: 77″
  • Volume: 1896 cubic feet
  • Weight: 779 lbs.

Notice: Customers must inspect packages upon arrival and will have 48 hours from delivery to start a damage claim. Please notify us immediately if your delivery is damaged.

Additional information

Weight 890 lbs


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