Build your own outdoor sofa with just 11 2x4s. Ana White plans include step by step diagrams and shopping and cut list.
We also have a plans to convert this sofa to an outdoor sectional, a matching outdoor coffee table plan, and outdoor wood finishing secrets.

Preparation
11 - 2x4x10’ (prefer cedar boards)
150 - 2-1/2” to 3" long, self-tapping exterior decking screws (#8, #9 or #10 will all work)
RECOMMEND: Build to suit cushions.
9 - 2x4 @ 72” (or cushion width x times 3)
13 - 2x4 @ 25-1/2” (or cushion depth plus 1-1/2")
2 - 2x4 @ 28-1/2” (or cushion depth plus 4-1/2")
Instructions
Step 1

Cut the seat framing boards with compound miter saw or similar.
Screw together with self tapping screws.
Step 2

Now for the arms.
Cut the boards.
Attach longer 2x4 to two of the shorter 2x4s with screws.
Step 3

Screw together with screws.
Step 4

Screw together with screws, also attach to board from step 3.
Step 5

Step 6

Attach seat boards to top of seat frame with 2-3/4" screws.
Step 7

Screw back piece at an angle into the arms with 2-3/4" screws. You can also use pocket holes.
Step 8

Some builders add a middle row to the back/sides to help keep cushions in line.
We apologize if there was an error in this plan. Please help us out and report any errors here.
Comments
crazyascarl
Sun, 09/29/2019 - 10:32
Comfort of vertical back?
Does anybody have a feedback on the comfort of having the seat completely flat and the back completely vertical? I feel that most couches have a slight angle to both the seat and the back... Obviously that makes construction more difficult, but if I'm going to spend time/money on a project I want to make sure it's comfy.
Thanks!