Duramax 12' x 20' Imperial Metal Garage Storage Shed - Dark Gray with White Trim

$2,750.00 $2,499.99
You save: $250.01
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With a hot-dipped galvanized steel frame, this Duramax garage storage shed  offers top value for your money. This garage shed comes equipped with a large 8 ft. wide and 6 ft. tall roll-up door and  a lockable side door.

This shed is a great choice for storing your vehicle or large motor-powered equipment. It can house a regular sized SUV with its 1,896 cubic ft. of storage. With the special rib design, it is the strongest car shed on the market. It can even handle 20 pounds of snow per square foot! Unlike other large metal sheds, it does not dent easily. This Duramax shed is the perfect addition to any landscape.

Features of this 12 x 20 metal shed include:

  • Ridge reinforced walls
  • 8 x 6 ft. roll-up door
  • Lockable side door
  • 10-year warranty
  • Weight: 779 lbs


Duramax offers a limited 10-year manufacturer’s warranty. If there is a material defect or workmanship error, they will send a replacement part free of charge.

To read more of what is covered under the warranty, read the complete Owner’s Manual.

Assembly and Care

When assembling your Duramax shed, you will need:

  • Hand gloves
  • Eye protection
  • Step ladder
  • Cordless drill
  • Plumb line
  • Tape measure
  • Pilers
  • Phillips head screwdriver
  • Carpenter’s square and level

This large metal shed needs to be built on a solid base. You’ll also need to keep its roof clear of all debris using a soft bristle brush, and keep its doors shut to prevent wind-related damage.

9 ft.
12 ft.
20 ft.
Exterior Dimensions (Actual):
146" w x 238" d x 102" h
Door Size (Actual):
99" w x 77" h
Door Width:
8 ft.
Door Height:
6 ft.
Door Type:
Roll Up
Side Entrance Door Size (Actual):
27.75" w x 78.5" h
Gray with White trim

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