12’W x 20’L x 8’H – Round Style


The 12x20x8 round style instant garage is one of our most popular sizes of portable garages. It is the perfect option for a one car garage. We offer 3 options for color: green, gray, or tan. This allows you to pick the perfect color for your residential or commercial property needs. With the UV-resistant and fire-retardant cover, you can be sure your shelter is built to last!

Other popular uses for the 12x20x8 round are as a storage solution for your outdoor equipment, run-in for your large, outdoor animals, and more! Our instant garages are easy to assemble with no power tools required! Order online or give us a call today to get your instant garage!



  • 10 oz. UV Treatment Cover
  • 2 Double Zipper Doors- 10’W x 6’H
  • 6 Cable Earth Anchor Kit
  • 1-5/8 Galvanized steel Frame


Download Spec Sheet

Download Assembly Instructions


Exclusive Features

  • Heavy Duty Galvanized Finish on All Steel Frame Components for Maximum Strength & Long Life
  • All Pre-Drilled, Easy Bolt Together Assembly
  • Ratchet Straps for a Drum Tight Fit
  • Complete Anchoring System Included
  • 10oz., CPAI-84 Polyethylene Fabric Backed Cover and Doors
  • Four (4) Bungee Cord Tie Backs for Doors
  • Easy Bolt Together Design – All Pre-drilled & Cut
  • Wind Brace Support on Both Sides
  • Two (2) Double Zipper Doors Standard
  • Protective Plastic Tube End Caps – All Open Ends
  • Standard Thread Plated Hardware Kit with Retaining Nuts & Protective SS Washers
  • Quick Assembly Wrench included
  • Heavy Duty Poly Rope for Main Cover Tie Down
  • Heavy Duty Grommets on Cover & Doors
  • Average Install time – 2 hours

Standard Specifications

  • Nominal Size: 12’ Wide x 20’ Long x 8’ High
  • Arches: Six (6) on 48” Spacing 1 5/8” Diameter Frame Members
  • Standard End Door Size: 10’ Width X 6′ High
  • Available Colors: Exterior Colors: Green, Gray, and Tan, Interior Colors: Bright White Only
  • Shipping Weight: 267 lbs shipped in Two (2) boxes Shipped via Motor Freight
  • Pallet Dimensions: 40″ x 75″ x 22″
  • Box Dimensions: Box 1: 58.5″ Long x 15.5″ Wide x 7″ High, Box 2: 66.5″ Long x 20.5″ Wide x 8.75″ High
  • Main Cover: UV Protected 24 mil, Fabric Backed Poly 10 oz. Weight
  • Fire Retardant Standard: Main Cover & Doors meet CPAI -84 Section 5
  • Anchors: Six (6) 36” Anchors with U-Bolts & Drive Rod Std.
  • Stock Number: 12x20x8- GA122008RGN, GA122008RGY, GA122008RTN


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