10 x 12 Storage Shed Plan


For a spacious, functional, no-nonsense storage shed, look no further than this 10 by 12-foot unit. With 120 square feet of space, you will have plenty of extra room for all your tools, equipment and more besides. Whether you need to store recreational gear, work tools or building materials, or even if you need an extra work space, this shed will have you covered. Double doors allow for easy transfer of items in and out, and the wealth of wall space allows for every inch of the shed to be useful.

Let's begin!

Materials you’ll need

  • Concrete
  • Bricks
  • Pressure-Treated Lumber
  • Pressure-Treated Board
  • Plywood
  • Building paper
  • Asphalt shingles
  • Wood siding boards
  • Door hinges
  • Door Pulls
  • Surface Bolts
  • Galvanized nails
  • Wood screws

Step 1 – Foundation Preparation

1.1 Clear the area where you want to build the shed and layout for the foundation. Use the below illustration as a guide.

1.2 For the foundation, dig the trenches at least 1 foot wide and 1 foot deep.

1.3 Fill the trenches to ground level with concrete and let cure, or harden. Since curing times vary between brands, read the packaging for recommended curing times.

1.4 Once the concrete has cured, use standard-sized bricks and lay them across the foundation.10x12 gable storage shed foundation preparation

Step 2 – Framing The Floor

2.1 Make the floor frame using treated lumber. You will need eight boards for the floor joists.

2.2 Fasten the beams together with wood screws.

2.3 Verify that each corner is 90°. If the floor isn’t square, there will be problems throughout.

10x12 gable storage shed floor framing

Step 3 – Assemble Front Wall Frame

3.1 Using pressure-treated lumber, construct front wall frame using the drawing below as a reference.

3.2 Attach the beams with flat head Phillips wood screws.

3.3 Check the corners to make sure they are 90°.

10x12 gable storage shed front wall framing

Step 4 – Assemble Back Wall Frame

4.1 Using pressure-treated lumber, construct back wall frame using the drawing below as a reference.

4.2 Use flat head Phillips wood screws to attach the parts.

4.3 Check every corner with a square to make sure each is 90°.

10x12 gable storage shed back wall framing

Step 5 – Assemble Left and Right Wall Frames

5.1 Build the side wall frames using treated lumber.

5.2 Use Phillips flat head wood screws to join the parts.

5.3 Be sure to check each of the corners to make sure they are 90°.

10x12 gable storage shed side walls framing

Step 6 – Assemble the Roof Frame

6.1 Cut 16 rafters treated lumber according to the measurements.

6.2 Use pressure-treated lumber to cut six collar ties.

6.3 Using pressure-treated board, cut the ridge board by following the illustration below.

6.4 Connect the beams with Phillips flat head wood screws.

10x12 gable storage shed roof framing

Step 7 – Install Plywood for the Roof

7.1 Cut sheets of plywood for the roof sheathing using the drawing below as a guide.

7.2 Secure the plywood with flat head Phillips flat head wood screws.

10x12 gable storage shed plywood roofing

Step 8 – Roof Sheathing Installation

8.1 You will need 185 square feet of asphalt shingle roofing of your choice.

8.2 Add the metal drip edge to the fascias

8.3 Cover the plywood with roofing paper.

8.4 Install the shingles using an industrial stapler or hammer and roofing nails.

10x12 gable storage shed roof sheathing

Step 9 – Decorate the Shed

Don’t forget to choose the desirable paint for your mood and the colors of your yard. Decorate your chicken coop by giving it unique and stylish look.
10x12 gable storage shed

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10x12 storage shed plan

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