This step by step diy project is about 4×8 attached shed plans. This small shed is super easy to build and the best part is that you can attach it to an already existing building, so you can save space. The structure of the shed is made from 2×4 lumber, so it is sturdy and durable. Take a look over the rest of my woodworking plans, if you want to get more building inspiration.
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. See all my Premium Plans HERE.
Projects made from these plans
4×8 Lean to Shed Plans
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- A – 3 pieces of 4×4 lumber – 96″ long SKIDS
- B – 2 pieces of 2×6 lumber – 96″ long, 7 pieces – 45″long FLOOR
- B – 1 piece of 3/4″ plywood – 48″x96″ long FLOORING
- C – 2 pieces of 2×4 lumber – 96″ long, 1 piece – 89″ long, 9 pieces – 81″ long BACK WALL
- E – 2 pieces of 2×4 lumber – 12″ long, 1 piece – 96″ long, 1 piece – 89″ long, 6 pieces – 81″ long, 2 pieces – 75 1/2″ long, 2 pieces of 2×6 lumber – 75″ long FRONT WALL
- F – 2 pieces of 2×4 lumber – 41″ long, 1 piece – 48″ long, 4 pieces – 81″ long 2xSIDE WALL
- J – 4 pieces of T1-11 siding – 48″x88″ long SIDING
- 3 pieces of 4×4 lumber – 8′
- 6 pieces of 2×6 lumber – 8′
- 1 piece of 3/4″ plywood – 4’x8′
- 35 pieces of 2×4 lumber – 8′
- 4 pieces of T1-11 siding – 4’x8′
- 6d nails, 2 1/2″ screws, 3 1/2″ screws
- wood filler , wood glue, stain/paint
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How to build a 4×8 attached shed
The first step of the project is to build the floor frame. Cut the components at the right dimensions and then lay them on a level surface. Drill pilot holes through the rim joists and then insert 3 1/2″ screws into the perpendicular beams. Place the joists every 16″ on center, as in the diagram.
Select the location for the shed and make sure you remove the vegetation layer. Level the ground thoroughly and then fit the 4×4 skids under the floor frame. Align the edges and use rafter ties to secure the skids to the frame of the floor. Use a spirit level to make sure the frame is horizontal in all directions.
Fit a piece of 3/4″ plywood to the floor frame. Align the edges flush and insert 1 5/8″ screws, every 8″ along the framing.
Continue the project by assembling the front wall frame. Use 2×4 lumber for the front wall frame. Use 2×6 lumber for the double header. Drill pilot holes through the plates and insert 3 1/2″ screws into the studs. Make sure the corners are square and align the edges flush. Build a double header for the door from 2×4 lumber and 1/2″ plywood. You can adjust the size of the door opening to suit your needs.
Build the frame for the back wall from 2×4 lumber. Cut the components from 2×4 lumber at the right dimensions. Drill pilot holes through the plates and insert 3 1/2″ screws into the studs. Make sure the corners are square and place the studs every 16″ on center.
Build the side walls for the shed using the same techniques described above and the information from the diagram.
Fit the wall frames to the floor of the shed. Align the edges with attention and plumb the walls with a spirit level. Drill pilot holes through the bottom plates and insert 3 1/2″ screws into the floor. Lock the adjacent walls together tightly using 3 1/2″ screws.
Fit T1-11 siding panels to the sides of the shed. Align the sheet to the top plate of the side walls and then insert 2″ nails, every 8″ along the framing.
In order to attach the siding sheets to the front of the shed you need to make a few cuts. Mark the cut lines and then get the job done with a circular saw. Insert 2″ nails, every 8″ along the framing. You will use the cutout panels for the double doors.
Make sure you take a look over PART 2 and PART 3 of the project, so you learn how to build the lean to roof and how to build the decorative trims. I have lots of other shed projects on the site so I recommend you to browse through all alternatives before starting the building project. See all my shed projects HERE.
This woodworking project was about 4×8 lean to shed 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.