Outdoor Sofa made from 2x4s Plans

This step by step woodworking project is about outdoor sofa made from 2x4s plans. If you want to build comfy outdoor furniture you don’t have to spend thousands on expensive items, when you can build it by yourself using 2x4s and screws. This is a 24″x72″ sofa that will generously accommodate 3 people. If you have a higher budget, invest in weather resistant lumber. 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 HERE.

Made from this plan

Building an outdoor sofa from 2x4s

Materials

A – 2 pieces of 2×4 lumber – 20 1/2″ long, 2 pieces – 30 3/4″ long, 2 pieces – 32 3/4″ long BOX
B – 2 pieces of 2×4 lumber – 31 1/4″ long, 2 pieces – 72″ long SUPPORTS
C – 3 pieces of 2×4 lumber – 72″ long, 16 pieces – 22 1/2″ long SEAT
D – 2 pieces of 2×4 lumber – 9 7/8″ long, 16 pieces – 20″ long, 1 piece – 79″ long BACKREST

16 pieces of 2×4 lumber – 8′
2 1/2″ screws
stain, wood filler, wood glue
outdoor cushions

Tools

Safety gloves, glasses
Miter saw, jigsaw
Chalk line, tape measure, spirit level, carpentry pencil
Drill machinery and drill bits

Time

One Weekend

Outdoor sectional bench

2×4 Backyard Sofa – Video!

How to build an outdoor sofa from 2x4s

Building the side frames

The first step of the project is to build the sides for the outdoor couch. As you can easily notice in the diagram, you need to cut the components at the dimensions shown in the diagram. Drill pilot holes and insert 2 1/2″ screws to assemble everything tightly. Make sure the edges are flush and and check if the corners are right angled.

Assembling the outdoor sofa frame

Continue the project by attaching the aprons. Drill pocket holes at both ends of the slats and then secure them to the sides with 2 1/2″ screws. Make sure the corners are square.

Fitting the seat cleats

Next, you need to fit the 2×4 cleats to the frame of the outdoor sofa. Drill pocket holes at both ends of the cleats and then secure them to the sides with 2 1/2″ screws. Fit the cleats 1 1/2″ under the top edge, so you can fit the slats.

Fitting the seat slats

Next, cut the slats from 2×4 lumber and place them to the cleats. Cut a wood block at 1 1/16″ and fit it between the slats to create even gaps. Drill pilot holes through the slats and insert 2 1/2″ screws to lock them into place tightly.

Top backrest slat

Fit the 2×4 slat to the top of the back legs, as shown in the plans. Drill pilot holes and insert 2 1/2″ screws to lock it into place.

Backrest slats

Next, you need to make 20 degree bevel cuts to both ends of the back slats. Use a good miter saw to make the cuts.

Fitting the backrest slats

Drill pocket holes at both ends of the slats. Fit the slats to the back of the outdoor sofa, as shown in the diagram, and insert the 2 1/2″ screws to lock them into place.

End backrest slats

Next, cut the end backrest slats, as well.

Fitting the end backrest slats

Drill pocket holes at both ends of the slats and secure them into place with 2 1/2″ screws.

2×4 Outdoor Sofa Plans

Fill the holes with wood putty and smooth the surface with 120-220 grit sandpaper. Apply a few coats of paint or stain over the components. Lay the cushions (see my recommendation on the materials list) to the outdoor sofa and enjoy your time in the garden.

Outdoor Sofa made from 2x4s Plans

You should also check my 2×4 outdoor chair HERE. If you like my project, don’t forget to SHARE it on Facebook and Pinterest.

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