This step by step woodworking project is about free 4×8 lean to shed roof plans. I have designed this lean to roof for the 4×8 storage shed. The roof is easy to build and features a nice overhangs, so it protects the double doors from weather conditions. Remember that you need to read the local building codes before selecting the right location for the shed and before building the shed. See my other DIY projects HERE.
We recommend you to invest in the best materials you could afford. Therefore, you should buy weather-resistant lumber, such as pine or cedar. Always take accurate measurements before adjusting the size of the components at the proper size. Drill pilot holes trough the components before inserting the wood screws, to prevent the wood from splitting. See all my Premium Plans in the Shop.
Made from this plan
Building a Lean to Roof for a 4×8 Shed
Building a lean to storage shed
Materials
- G – 2 pieces of T1-11 siding – 48″x91 1/4″ long, 2 pieces – 48″x63 1/4″ long, 2 pieces – 48″x91″ long SIDING
- H – 5 pieces of 2×4 lumber – 57 1/2″ long, 5 pieces – 12″long RAFTERS
- H – 2 pieces of 2×4 lumber – 12 3/4″ long SUPPORTS
- I – 2 pieces of 3/4″ plywood – 48″x55 3/4″ long, 2 pieces – 12″x48″ long ROOF
- J – 60 sq ft of tar paper, 60 sq ft of asphalt shingles ROOFING
- J – 2 pieces of 2×4 lumber – 12″ long, 1 piece – 96″ long, 6 pieces – 80″ long, 2 pieces – 68 1/2″ long, 2 pieces – 75″ long, 3 pieces – 8″ long TRIMS
- 7 pieces of 2×4 lumber – 6′
- 6 pieces of T1-11 siding – 4’x8′
- 2 pieces of 3/4″ plywood – 4’x8′
- 60 sq ft of tar paper, 60 sq ft of asphalt shingles
- 4 pieces of 1×6 lumber – 8′
- 1 5/8″ screws, 2 1/2″ screws, 3 1/2″ screws
- 6d nails
- skid ties
- wood filler , wood glue, stain/paint
Tools
- Safety gloves, glasses
- Miter saw, jigsaw
- Chalk line, tape measure, spirit level, carpentry pencil
- Drill machinery and drill bits
How to build a lean to roof for a 4×8 shed
Building the rafters
The first step of the roof project is to build the rafters from 2×4 lumber. Make the angle cuts to the short and long rafters. In addition, you need to make the birdsmouth cuts, using the information from the diagram.
Fitting the rafters
Fit the rafters to the top of the roof. Make sure you place the rafters every 24″ on center, for a professional result. Use rafter ties to secure the rafters into place tightly.
Side roof supports
Use 2×4 lumber for the lean to roof side supports. Drill pocket holes at both ends of the supports and lock them into place with 2 1/2″ screws.
Front wall siding panels
Use T1-11 siding for the walls. Mark the cut lines on the front panels and get the job done with a saw. Make the clots that go around the front rafters with a jigsaw.
Front wall – Siding
Attach the siding sheets to the front of the of the shed. Align the edges flush and use 6-8d nails to secure the sheets into place tightly.
Roof side panels
Attach the small panels to the sides of the shed. Use nails to lock the panels into place tightly.
Back wall – Siding
Attach the T1-11 siding panels to the back of the shed. Align the edges flush, making sure you leave no gaps between the panels. Insert 6-8d nails to lock the panels into place, every 8″ along the framing.
Side walls – Siding
Fit the sheets to the sides of the shed, after cutting them at the right dimensions and shapes. Use 6-8d nails to secure the sheets into place properly.
Fitting the roofing sheets
Use 3/4″ plywood for the roof of the shed. Cut the sheets at the right dimensions and then lay them over the rafters. Align the edges flush, drill pilot holes and insert 1 5/8″ screws, every 8″ along the joists.
Side roof trims
Use 1×6 lumber for the sides of the roof. Mark the cut lines on the trims and get the job done with a saw. Smooth the edges flush.
Front and back trims
Fit the trims to the roof of the shed. Align the edges with attention and lock them into place tightly with 2″ brad nails.
Fitting the roofing
The next step of the woodworking project is to cover the roof with felt. As you can see in the image, you need to make sure the strips of roofing felt overlap at least 2”. In addition, you have to lock the tar paper to the plywood sheets with staples. Attach the asphalt shingles to the roof, making sure you follow the manufacturer’s instructions.
Lean to Storage Shed Plans – front
If you want to build the lean to frame for this 4×8 storage shed, you should check out PART 1 of the project. To learn how to build the double doors, check out PART 3 of the project. If you like my project, don’t forget to SHARE it on Facebook and Pinterest.
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