4×10 Lean to Shed Roof Plans

This step by step diy project is about 4×10 lean to shed roof plans. This is PART 2 of the small storage shed project, where I show you how to build the lean to 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




4×10 Lean to Shed Plans




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  • G – 4 pieces of T1-11 siding – 48″x115 3/4″ long, 1 piece – 24″x115 3/4″ long SIDING
  • H – 6 pieces of 2×4 lumber – 63 1/2″ long RAFTERS
  • I – 2 pieces of 3/4″ plywood – 48″x63 1/2″ long, 1 piece – 24″x48″ long, 1 piece – 15 1/2″x24″ long ROOF
  • J – 60 sq ft of tar paper, 60 sq ft of asphalt shingles ROOFING
  • K – 2 pieces of 1×6 lumber – 124 1/4″ long, 2 pieces of 2×6 lumber – 63 1/2″ long TRIMS

  • 1 piece of T1-11 siding – 4’x8′
  • 8 pieces of 2×4 lumber – 8′
  • 2 pieces of 2×6 lumber – 6′
  • 2 pieces of 1×6 umber – 12′
  • 2 pieces of 3/4″ plywood – 4’x10′
  • 60 sq ft of tar paper, 60 sq ft of asphalt shingles
  • 2 1/2″ screws, 3 1/2″ screws, 1 5/8″ screws
  • 4d nails, 6d nails
  • wood filler , wood glue, stain/paint
  • shed hinges

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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 4×10 lean to shed roof



First of all, you need to build the rafters for the shed from 2×4 lumber. Make cuts to the rafters, as shown in the diagram. The birdsmouth cuts to the rafters will help you fit the rafters to the top of the shed.



Place the rafters every 24″ on center. Use rafter ties to lock the components into place tightly.

Side wall - Siding

Side wall – Siding

Fit the T1-11 siding panels to the sides of the shed. Make cuts to the panels and then align them into place with attention. Use 6-8d nails to lock the panels into place tightly.

Back wall - Siding

Back wall – Siding

Fit the T1-11 siding to the back of the shed, as well. Use 6-8d nails to secure the panels into place.

Fitting the roof sheets

Fitting the roof sheets

Fit the 3/4″ plywood to the top of the shed. Leave no gaps between the sheets, drill pilot holes and insert 1 5/8″ screws into place, every 8″ along the rafters.

Roof trims

Roof trims

Fit the 2×6 trims to the sides of the lean to shed. Fit 1×6 trims to the front and to the back of the shed.

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.

4x10 Lean to Shed Plans

4×10 Lean to Shed Plans

You need to check out PART 1 of the shed, so you learn how to build the frame for the small garden shed. Moreover, don’t miss PART 3 of the project, where I show you how to build the double door for the shed, as well as how to build the decorative trims.



This woodworking project was about 4×10 shed roof plans free. 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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