Materials and Tools
- 8 – 2×4 boards
- 24 – 2 ½” outdoor screws
- 21 – 2 ½” outdoor pocket hole screws
- Pocket hole jig
- Hand saw or miter saw
- Outdoor wood glue
First thing to do is prepare the materials and the tools. For the materials, cut all the pieces according to the list. You can cut the boards using the hand saw or miter saw or circular saw. After all pieces are ready, set them all with the good sides faces down. The project will make the assembly from the inside out so that the screw heads appearance can be minimized.
Another useful tip to minimize the appearance of the screw heads is by cutting the pocket holes on the upper side of the horizontal legs (20”) and the back supports (31”). The location of the pocket holes is shown in the picture.
For the right and left pieces, always flip the position of the cuts so that you won’t have two left legs. If you plan on using screws to secure the frames, you can skip this step and directly move to the next step.
Build the bench legs by keeping the horizontal pieces on the top of the frame. First, secure the 20” pieces into both legs. These horizontal pieces will form such parallelogram. Don’t forget to secure the assembly using 2 ½” screws throughout the parallelogram.
The screws are believed to provide some supports on the bench. Remember to glue each joint and secure it with two 2 ½” screws. Take 2×4 board piece and put it as a spacer for locating the lower parallel frame (23 ¾”).
Add the back supports intersecting the top edge of the legs and are in line with the lower horizontal leg frame bottom. Don’t miss any pocket hole positions as these holes all face the inside part of the bench. All parallelogram pieces need to be glued and screwed all the way through their long diagonals. Make sure that the parallelogram pieces have similar angle. Secure all the back supports.
40” stretcher is attached between two legs. Attach this seat stretcher using pocket holes or twp 2 ½” screws into the back support’s lower part. If using the pocket holes, make sure that the holes will be on the back side of the back supports.
Assemble the back seat slats firstly. Place the good sides in visible positions. Push the back seat slat against the back supports and secure it with screws and glue. Secure all the remaining back seat slats by using the same method. Use a standard spacer between seat slats.
After the back seat slats, attach the back slats. Use the same method when securing each back slat. Make sure to give slight gap between the slats. In this project, the spacing between the slats is ½”.