12×10 Shed Roof Plans

This step by step diy project is about 12×10 shed roof plans. This is PART 2 of the storage shed project, where I show you how to build the gable roof. I show you step by step with diagrams and instructions, everything you need to know about building the gable roof. Take a look over the rest of my woodworking plans, if you want to get more building inspiration. Remember that you need to select the site for the shed with attention and that you have to comply with a few legal regulations.

When buying the lumber, you should select the planks with great care, making sure they are straight and without any visible flaws (cracks, knots, twists, decay). Investing in cedar or other weather resistant lumber is a good idea, as it will pay off on the long run. Use a spirit level to plumb and align the components, before inserting the galvanized screws, otherwise the project won’t have a symmetrical look. If you have all the materials and tools required for the project, you could get the job done in about a day. See all my Premium Plans HERE.



Projects made from these plans




12×10 Shed Roof Plans




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  • G – 4 pieces of T1-11 siding – 48″x31 3/4″ long, 2 pieces – 24″x45 1/2″ long SIDING
  • H – 2 pieces of 2×4 lumber – 96″ long, 1 piece – 144″ long 6xTRUSS
  • H – 4 pieces of 2×4 lumber – 25 1/4″ long, 2 pieces – 38″ long SUPPORTS
  • I – 4 pieces of 3/4″ plywood – 46″x96″ long ROOF SHEETS
  • J – 4 pieces of 2×6 lumber – 97 1/4″ long, 2 pieces of 1×6 lumber – 121 1/4″ long TRIMS
  • L – 200 sq ft of tar paper, 200 sq ft of asphalt shingles ROOFING

  • 14 pieces of 2×4 lumber – 8′
  • 6 pieces of 2×4 lumber – 12′
  • 1 piece 1/2″ plywood – 4’x8′
  • 5 pieces of 3/4″ plywood – 4’x18′
  • 2 pieces of 1×6 lumber – 10′
  • 2 pieces of 2×6 lumber – 10′
  • 3 pieces of T1-11 5/8″ siding – 4’x8′
  • 200 sq ft of tar paper, 200 sq ft of asphalt shingles
  • 2 1/2″ screws, 3 1/2″ screws, 1 5/8″ screws
  • 4d nails, 16d nails, 6d nails
  • wood filler , wood glue, stain/paint

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 Hammer, Tape measure, Framing square, Level

 Miter saw, Drill machinery, Screwdriver, Sander

 Safety Gloves, Safety Glasses

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 One day

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How to build a 12×10 Shed Roof



First of all, you need to build the trusses for the gable shed. Build the rafters from 2×4 lumber. Lay the components on a level surface and align the components with attention. Leave no gaps between the components for a professional result.



Use 1/2″ plywood for the gussets. Mark the cut lines on the sheets and then get the job done with a circular saw. Lay the plywood over the joints and insert 1 5/8″ screws to lock the trusses tightly.



Fit the trusses to the top of the shed. Place the trusses equally spaced, every 24″ on center. Use a spirit level with a spirit level and use rafter ties to lock the trusses into place tightly.

Gable end suports

Gable end supports

Use 2×4 lumber for the gable end supports. Make the angle cuts and then drill pocket holes at both ends. Fit the supports into place and insert 2 1/2″ screws to lock the supports into place tightly.

Gable end panels

Gable end panels

Cut the gable end panels from T1-11 siding. Fit the panels to the front and to the back of the shed and lock them into place with 6-8d nails, every 8″ along the framing.

Fitting the roof sheets

Fitting the roof sheets

Fit the 3/4″ plywood sheets to the top of the shed. Leave no gaps between the sheets and align the edges with attention. Drill pilot holes and insert 1 5/8″ screws, every 12″ along the rafters.

Fitting the roof trims

Fitting the roof trims

Use 2×6 lumber for the front and back overhangs. Cut the overhangs at the right size and dimensions and then lock them to the front and back of the shed with 2 1/2″ screws. Leave no gaps between the beams and make sure the joints are sturdy.

Side roof - Trims

Side roof – Trims

Fit the 1×6 trims to the sides of the roof. Use 2″ brad nails to secure the trims into place tightly.

Fitting the roofing

Fitting the roofing

Cover the roof of the shed with roofing felt, making sure the strips overlap at least 2″. Secure the tar paper to the plywood sheets with roofing staples. In addition, cut a large piece for the top ridge. Fit the side drip edges over the roofing felt, while the bottom drip edges should be fit under.

Read the instructions labeled on the asphalt shingle packs before installing them into place tightly. Start with the bottom left side of the roof and install them all the way to the top.

12x10 Shed Plans - Front view

12×10 Shed Plans – Front view

You need to check out PART 3 of the shed, so you learn how to build the double doors and how to fit the rest of the trims. If you have’t looked over PART 1 yet, I recommend you to do it, as it will show everything you want to know about building the frame of the shed.



This woodworking project was about 12×10 gable shed roof plans. If you want to see more outdoor plans, check out the rest of our step by step projects and follow the instructions to obtain a professional result.


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