This step by step diy woodworking project is about outdoor couch plans. The project features instructions for building a simple 6′ wide outdoor sofa made from 2x4s. The best part of the project is that you can get the job done by yourself with common tools. The outdoor couch is ideal for your backyard if you like to hang out with friends or create a nice relaxation area.
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
Outdoor Couch Plans
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- A – 2 pieces of 2×4 lumber – 72″ long, 5 pieces – 25 1/2″ long FRAME
- B – 2 pieces of 2×4 lumber – 25 1/2″ long, 2 pieces – 21 1/2″ long, 1 piece – 28 1/2″ long 2xSIDE
- C – 2 pieces of 2×4 lumber – 72″ long BACKREST
- D – 6 pieces of 2×4 lumber – 72″ long SEAT
- E – 1 piece of 2×4 lumber – 72″ long, 4 pieces – 5 1/2″ long TRIMS
- 14 pieces of 2×4 lumber – 8 ft
- 1 1/4″ screws
- 1 5/8″ screws
- 2 1/2″ screws
- filler, stain
How to build an outdoor couch
The first step of the project is to build the frame for the outdoor couch. Cut the components from 2×4 lumber and drill pocket holes at both ends of the short slats. Align the edges with attention and check if the corners are square. Insert 2 1/2″ screws to lock the components together tightly.
Next, you need to assemble the sides of the sofa. Cut the components from 2×4 lumber and drill pocket holes as shown in the diagram. Make sure the corners are square and align the edges with attention. Insert 2 1/2″ screws to create rigid joints. Use a square to make sure the corners are right-angled.
Next, you need to attach the middle support to the side frames. Drill pilot holes at both ends and secure it to the vertical components using 2 1/2″ screws.
Continue the woodworking project by attaching the sides to the frame of the couch. Drill pilot holes through the frame of the bed and insert 2 1/2″ screws into the sides. Make sure the sides are perfectly plumb and check if the corners are square.
Attach the 2×4 seat slats to the frame. Place the slats equally-spaced and secure them into place with 2 1/2″ galvanized screws. Pre-drill the slats to prevent the wood from splitting.
Drill pocket holes at both ends of the backrest slats and insert 2 1/2″ screws into the sides. Make sure the corners are square and align everything with attention.
One of the last steps of the project is to fit the trims to the front of the couch. Cut the components from 2×4 lumber and drill pocket holes at both ends. Align everything with attention and insert 2 1/2″ screws to lock everything tightly.
Fill the holes and dents with wood putty and let it dry out for several hours. Use 120-200 grit sandpaper to smooth the surface. The best part of the project is that you can adjust the size of the outdoor sofa.
Top Tip: If you want to enhance the look of the project and to protect the wooden couch, we recommend you to cover the components with paint or stain.
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