This step by step diy woodworking project is about corner outdoor sectional sofa plans. If you want to learn more about building a sectional sofa for your backyard patio, this article is exactly what you need. Follow the step by step instructions and diagrams, to build the corner modules for the outdoor project. Lock everything together tightly before assembling the sofa. Check out the first part of the project to learn how to build the regular modules.
Work with good judgement and don’t forget to take a look over the rest of the related plans, as there are many designs and woodworking projects to select from. Work with attention and don’t forget that a good planning will save you from many issues and it will keep the costs within the total budget. Invest in high quality materials, such as pine, redwood or cedar. Drill pocket holes before inserting the galvanized screws, to prevent the wood from splitting. See all my Premium Plans HERE.
Projects made from these plans
Corner outdoor sectional plans

Building a corner sectional chair
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- A – 1 piece of 1×4 lumber – 26″ long, 2 pieces – 25 1/4″ long, 2 pieces – 21″ long, 2 pieces – 22 1/2″ long, 1 piece – 3 1/2″ long SEAT FRAME
- B – 2 pieces of 1×4 lumber – 14 1/4″ long, 4 pieces – 28 1/4″ long LEGS
- C – 2 pieces of 1×4 lumber – 22 1/2″ long, 6 pieces – 10 1/2″ long, 1 piece – 24″ long SEAT
- D – 2 pieces of 1×4 lumber – 22 1/2″ long, 2 pieces of 1×2 lumber – 27 1/2″ long BACKREST
- 7 pieces of 1×4 lumber – 8 ft
- 1 piece of 1×2 lumber – 6 ft
- 2 1/2″ screws
- 1 1/4″ screws
- wood putty, wood stain
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Hammer, Tape measure, Framing square, Level
Miter saw, Drill machinery, Screwdriver, Sander
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One day
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- Part 1: Outdoor sectional – Free chair plans
- Part 2: Outdoor sectional – Free corner chair plans
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How to build a corner outdoor sectional sofa

Building the legs
Build the legs for the outdoor sectional out of 1×4 lumber. Mark the cut lines on the components and get the job done with a circular saw. Smooth the edges with fine-grit sandpaper and remove the residues with a damp cloth.

Building the seat frame
Next, you need to build the seat frame out of 1×4 slats. Cut the components at the right dimensions and drill pocket holes at both ends of the components. Align everything with attention and secure them together using 1 1/4″ screws. Make sure the corners are right-angled and add glue to the joints.

Building the seat frame
Fit the rest of the supports to the seat, as described in the diagram. Take accurate measurements for a professional result.

Fitting the backrest slats
Build the backrests out of 1×4 lumber and drill pocket holes at both ends. Use 1 1/4″ screws to the secure the components to the back legs. Leave no gaps between the components.

Installing the seat slats
Building the seat of the corner sectional sofa is a straight-forward process, but you need to pay attention to several aspects. Start the process by attaching the 1×4 slats to the seat frame, as described in the diagram. Use 1 1/4″ brad nails or screws to lock the slats to the frame.

Fitting the seat slats
Cut the rest of the components at the appropriate dimensions and drill pocket holes. Lock the components together with 1 1/4″ screws and add glue to enhance their bond.

Attaching the top slats
One of the last steps of the outdoor project is to attach the 1×2 slats to the top of the corner sectional module. Cut one end of the components at 45 degrees and secure them to the top of the posts using 1 1/4″ screws.

Corner sectional plans
Build the modules for your outdoor sectional sofa and assemble them together tightly.

Outdoor sectional plans
One of the last steps of the woodworking project is to take care of the finishing touches. Therefore, fill the pilot holes with wood putty and smooth the surface with 120-grit sandpaper.
Top Tip: If you want to enhance the look of the project and to protect the outdoor corner chair from decay, we recommend you to cover the components with paint or stain.
This woodworking project was about corner outdoor sectional sofa plans. If you want to see more outdoor plans, we recommend you to check out the rest of our step by step projects. LIKE us on Facebook and Google + to be the first that gets out latest projects and to hep us keep adding free woodworking plans for you.
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https://myoutdoorplans.com/furniture/corner-outdoor-sectional-plans/
For this corner seat, the cut list shows 6 – 10.5″ pieces. I think this is a typo. Shouldn’t it be 6 – 20.5″ pieces? I love the design by the way.