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12x18 backyard shed plans

12x18 Backyard Shed Plans

sku (shed12x18-B)

Emailed Plans: $29.99
(8 1/2" x 11" Emailed PDF

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Postal Mailed Plans: $35.99
(8 1/2" x 11" Postal mailed)

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All Our Shed Plans Feature:

  • FREE - How To Build A Shed eBook included with every shed plans purchase.
  • Cost Effective - Our shed plans are designed to make your shed simple and inexpensive to build.
  • Easy To Build From - Professionally drawn with step by step instructions to show both an old pro or a first time framer how to build a shed. (see the plans example below).
  • Start Now - Instant download - The shed plans are emailed to you when you purchase so you can start immediately. We use the free PDF file format so you can print them on your home printer or we can postal mail them to you.
  • Materials List - Easily get bids and use the list numbering system to know what part goes where.

The 12x18 storage shed plans include:

  • 7'-7" Wall Height with 8'-1" wall height option. - The 8'-1" wall height lets you use 92-5/8" framing studs just like a home or they can be cut down to make the walls easier to frame.
  • Factory or Home Built Doors - Using a pre hung door makes the door building and hanging job much easier. The shed plans also include door plans if you prefer to build your own doors.
  • Multiple Door Options - Drawings explaining how to build the door on the end or sides of the shed.
  • 3 Foundations - Skid, concrete slab, Treated lumber or steel floor joists on crushed gravel bed.

12x18 backyard storage shed12x18 gable shed plans12x18 backyard storage shed design12x18 backyard shed top view

12x18 Gable Shed Floor Plan

12x18 backyard shed floor plan

12x16 Gable Shed Plans Exterior Elevations

12X18 shed plans elevations

12x18 Backyard Shed Plans Include The Following:

  • Alternalte Options: Wall framing plans are included to put the door on the long or short walls.
  • Materials List:The plans come with a complete materials list that is broken down by parts of the shed.
  • 3 Foundations: 4x6 wood skid with framed floor, concrete slab, Treated wood framed floor or steel joists set on crushed gravel bed.
  • Floor = 2x6 floor joists at 16" on center with 3/4" floor sheathing.
  • Walls Framing: 2x4 framing at 16" on center with a double top plate, just like a home is framed.
  • Wall Height: The shed wall height is drawn at 7'-7" to allow for a pre hung door and easier siding installation and you can also use 92 5/8" wall studs to make the walls 8'-1".
  • Door: The door to be used is a factory built door on pre hung jamb or home built door using the included plans.
  • Roof: The roof is framed using 2x4's to build rafter trusses. The plans include instructions to build the trusses using top and bottom chords and 1/2" O.S.B. gussets. It is sheeted with 1/2" O.S.B. (or 5/8 if you want to make it extra strong.) The plans give you the dimensions and cut angles so you can build the roof rafters on the ground and then put them up on the top plates.
  • Roof Overhang: 5-1/2" on the eves and 1" gable ends.
  • Roofing = 25 year asphalt shingles.
  • Siding = T1-11 siding or similar 4'x8' wood or cement panel siding is specified. This can be changed to use any siding you like.
  • Trim = 1x3 and 1x6 wood, masonite or cement trim materials are used to finish the corners, roof eves and facia, and door.
  • Roof Pitch: 4/12, this means that for every 4 inches of rise there is 12 inches of run horizontally.
  • Floor Load: 50 pounds per square foot for framed floors. You don't want your shed floor to feel spongy.
  • Roof Snow Load: 40 pounds per square foot. This is more than adequate for most areas. If you live in an area with a high snow load you should check with your local building department for your local snow load. Contact us and we can specify stronger roof framing.
Sample of our 12x18 Gable shed plans 12x18 backyard shed plans example