This step by step woodworking project is about free 12×16 garden shed plans. If you want to build a roomy shed next to an existing building or on the property line, I recommend you to check out these plans. This shed has a lean to roof, so it is the ideal choice if you are tight on space. 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.
Made from this plan
12×16 Lean to Shed Plans
- A – 4 pieces of 4×4 lumber – 192″ long SKIDS
- B – 2 pieces of 2×6 lumber – 192″ long, 13 pieces – 141″ long FRAME
- C – 4 pieces of 3/4″ plywood – 48″x96″ long, 4 pieces – 48″x48″ long FLOOR
- D – 2 pieces of 2×4 lumber – 38 1/2″ long, 1 piece – 144″ long, 1 piece – 137″ long, 6 pieces – 81″ long, 2 pieces – 75 1/2″ long, 2 pieces of 2×6 lumber – 63″ long FRONT WALL
- E – 2 pieces of 2×4 lumber – 192″ long, 1 piece – 185″ long, 12 pieces – 81″ long, 2 pieces – 36″ long, 3 pieces – 34″ long, 4 pieces of 2×6 lumber – 39″ long SIDE WALL
- F – 2 pieces of 2×4 lumber – 137″ long, 1 piece – 144″ long, 7 pieces – 81″ long BACK WALL
- G – 2 pieces of 2×4 lumber – 192″ long, 1 piece – 185″ long, 11 pieces – 81″ long SIDE WALL
- H – 5 pieces of T1-11 siding – 48″x84″ long, 1 pieces – 7″x48″ long, 8 pieces – 48″x85 1/2″ long SIDING
- 4 pieces of 4×4 lumber – 16′
- 13 pieces of 2×6 lumber – 10′
- 2 pieces of 2×6 lumber – 16′
- 5 pieces of 3/4″ plywood – 4’x8′
- 6 pieces of 2×4 lumber – 16′
- 6 pieces of 2×4 lumber – 10′
- 13 pieces of T1-11 siding – 4’x8′
- 40 pieces of 2×4 lumber – 8′
- 4 pieces of 2×6 lumber – 8′
- 1 5/8″ screws, 2 1/2″ screws, 3 1/2″ screws
- skid ties
- 6d nails
- wood filler , wood glue, stain/paint
- Safety gloves, glasses
- Miter saw, jigsaw
- Chalk line, tape measure, spirit level, carpentry pencil
- Drill machinery and drill bits
Building a 12×16 lean to shed
The first step of the project is to assemble the floor frame for the 12×16 shed. Drill pilot holes through the rim joists and insert 3 1/2″ screws into the joists. Place the joists on a level surface and make sure you measure the diagonals and make adjustments until they are perfectly equal.
Fit the 4×4 skids to the shed location and then lay the floor frame over them. Make sure the skids are equally spaced and use metal connectors so you can lock them together tightly.
Lay the 3/4″ plywood sheets to the floor frame and align the edges flush, for a professional result. Drill pilot holes through the sheets and insert 1 5/8″ screws into the floor joists, every 8″.
Continue the project by assembling the front wall frame. Cut the components from 2×4 lumber. Drill pilot holes through the plates and insert 3 1/2″ screws into the studs. Place the studs properly and make sure the corners are right-angled. As you can notice in the diagram, you need to make sure the double header is made of 2×6 lumber with 1/2″ plywood in the middle.
Assemble the side wall from 2×4 lumber. Drill pilot holes through the plates and insert 3 1/2″ screws into the studs. Place the studs every 24″ on center for a professional result. Fit 1/2″ plywood fillings between the double posts, placed at both ends of the shed.
Assemble the opposite side wall from 2×4 lumber, in the same manner described above, but framing a 3’x3′ window, as well. The window will let a lot of light get inside the shed, so you can move the items easily. You can adjust the size of the window to suit your needs, or even make it a lot wider.
Build the back wall for the shed from 2×4 lumber. Drill pilot holes through through the plates and insert 3 1/2″ screws into the studs. Place the studs every 24″ on center, for a professional result. Fit the double top plate using the instructions from the diagram.
Fit the wall frames to the floor frame. Align the edges flush and use a spirit level to plumb the walls with a spirit level. Drill pilot holes through the bottom plates and insert 3 1/2″ screws into the floor.
Attach the T1-11 siding panels to the back wall of the shed. Align the edges with attention, making sure you inset it from 1 1/2″ from the top plate. Use 6-8d nails to secure the panels into place, every 8″ along the framing.
Build the panels for the front wall, by making the cuts around the door opening. Align the panels to the wall frame, 1 1/2″ insert from the top plate. Use 6-8d nails to secure the T1-11 siding to the wall frame.
Fit the T1-11 siding sheets to the side wall with window of the shed. Make the cuts around the window opening and then attach the sheets into place, aligning them with the top plates.
If you want to build the lean to roof for the 12×16 shed, you should check out PART 2 of the project. In PART 3 of the shed, you will see how to frame the double shed doors. If you like my project, don’t forget to SHARE it on Facebook and Pinterest.
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