DIY Builds
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How big is a 12x20 shed?

Space abounds in 12×20 sheds. With 240 sq. ft. the things you can do are virtually limitless.

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Can I build my own shed?
Can I build my own shed?

Yes, with the right plans you can build your dream shed.

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12x20 Sheds

Size category : Large

: Large Best uses : Storing motorcycles, small boats, golf carts, motorcycles, tractors, wheelbarrows, bicycles, snowmobiles and traditional tool storage. Could also be the perfect workshop for a mechanic or artist. : Storing motorcycles, small boats, golf carts, motorcycles, tractors, wheelbarrows, bicycles, snowmobiles and traditional tool storage. Could also be the perfect workshop for a mechanic or artist. Square footage : 240 sq. ft.

: 240 sq. ft. Yard size : Large yards

: Large yards Actual size : 12’W x 20’D (12′ by 20′)

: 12’W x 20’D (12′ by 20′) Cost: $4,499 (do-it-yourself) – $5,999 (installed)

12×20 Sheds – Limitless Storage Space & More

Space abounds in 12×20 sheds. With 240 sq. ft. the things you can do are virtually limitless. Large item storage, recreation, active use and more. Long items that typically don’t fit a lot of shed will fit in this one. For example, canoes, Kayaks, long ladders, etc. If you wanted to start a small business right in your backyard, you could do it with a shed of this size. If you wanted to collect and re-build classic motorcycles, this shed would be a great choice. If you wanted to build custom surfboards or sailboats, this is a great size for an application like that. You could set up several large machine tools like a table saw, band saw or drill press to make a shed of this size a highly functional workshop.

12×20 Shed Backyard Space Requirements

Clearly, 12×20 wood sheds are best for large properties. When you consider the size of the shed, plus an additional 3 feet to all sides for ease of movement the footprint is substantial. But if you have a large yard, it’s not an issue. Some things to consider with a shed of this length is where to place it in your yard and lighting. For placement, the back of a property is typically a good location as that provides ease of access to the door, and this location is less disruptive to the overall property flow. For lighting, a shed of this length can get somewhat dark towards the back. You may want to add windows or skylights for ease of locating stored items or for active work within the space. Check out our shed buyers guide to learn more on how to prepare your yard for a 12 by 20 shed.

View all Shed Sizes:

6×8 Shed | 6×8 Shed | 8×12 Shed | 10×8 Shed | 10×10 Shed | 10×16 Shed | 12×8 Shed | 12×10 Shed | 12×12 Shed | 12×16 Shed | 12×20 Shed | 12×24 Shed | 16×10 Shed | 16×12 Shed | 16×16 Shed | 16×20 Shed | 16×24 Shed

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What kind of wood do you use for a sill plate?

Sill Plate is a tough, versatile pressure-treated lumber. Like borate-treated lumber, it's guaranteed to stop termites and prevent decay, plus it's compatible with carbon steel (black iron) fasteners.

ProWood Sill Plate

The greenest protection money can buy.

Sill Plate is a tough, versatile pressure-treated lumber. Like borate-treated lumber, it’s guaranteed to stop termites and prevent decay, plus it’s compatible with carbon steel (black iron) fasteners. But unlike borate-treated lumber, it requires no special handling. Our sill plate lumber is both reliable and easy to work with, combining the advantage of several green certifications with the power to stand up to decades of pests and the elements. ProWood® Sill plate's (MCA - Micronized Copper Azole) treated lumber is approved for any above-ground exterior application. Whenever the situation calls for superior quality pressure-treated lumber, consider the product that can handle it all.

To view product, technical or warranty literature, visit our Literature page.

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