What's inside
As an Amazon Associate I earn from qualifying purchases. This post may contain affiliate links at no extra cost to you.
Contents
Beginner Plans for a Cedar Patio Privacy Panel with Planter Feet
A freestanding cedar privacy panel is a manageable weekend project, even if your woodworking experience is limited to straight cuts and driving screws. The basic design is a slatted screen held between two vertical posts, with each post anchored in a small planter box. The plan below makes a panel about 72 inches wide, 72 inches tall, and 12 inches deep at the planter feet.
The planter boxes add weight without requiring concrete footings. They also make the screen easier to move, although a full box of damp soil is still heavy. Treat this as a wind-resistant patio divider, not a permanent fence. On an exposed deck, balcony, or windy roof terrace, a fixed anchor or a wider base may be necessary.
Materials and buying choices
Use cedar for the visible structure because it handles outdoor moisture well and is easy to work. Construction-grade cedar is cheaper but often contains knots, checks, and boards that are not perfectly straight. Clear or select cedar costs more and produces a cleaner finish with fewer weak spots. For a beginner, buying a few extra boards is usually better than paying for premium lumber throughout.
| Material choice | Best for | Trade-off |
|---|---|---|
| 1×6 cedar slats | More privacy and fewer cuts | Heavier appearance and more wind load |
| 1×4 cedar slats | Lighter look and lower cost | More gaps and more boards to install |
| Cedar posts | Matching appearance and rot resistance | More expensive and sometimes harder to find straight |
| Pressure-treated posts | Lower-cost hidden structure | Must be isolated from soil and may not match the cedar |
For the example size, buy two 4×4 posts at 84 inches long, six 1×4 cedar boards at 72 inches for the screen slats, and two more 1×4 boards for top and bottom rails. You will also need enough cedar or exterior-rated lumber to build two planter boxes, each roughly 12 inches wide, 12 inches deep, and 18 inches tall. Adjust the box height if you want more or less visual coverage.
Plan on exterior-rated 2-1/2-inch screws for the frame, 1-1/4-inch screws for slats, and four galvanized or stainless post brackets if the posts will sit on the bottom of the boxes. A box of exterior cedar wood screws is preferable to ordinary indoor screws, which can rust and stain the wood.
Tools and layout
You need a tape measure, pencil, square, drill/driver, countersink bit, and saw. A circular saw works well for this project. A miter saw makes repeated crosscuts faster but is not required. Use a cedar exterior wood finish if you want to slow graying and make cleaning easier; leaving cedar unfinished is also reasonable.
Before cutting, decide how much privacy you need. A 1×4 board is actually about 3-1/2 inches wide. Seven boards with 1/2-inch gaps cover about 28 inches, while nine boards cover about 36 inches. Horizontal slats usually give better privacy than vertical slats because they can be spaced more closely and are easier to screw to both posts.
Build the planter boxes
Make each box with an inside opening of approximately 10 by 10 inches and an outside size near 12 by 12 inches. Cut four side panels per box, then attach them at the corners with screws. Add a bottom made from cedar strips or exterior plywood, raised about 1 inch above the ground so drainage water can escape.
Drill at least six 3/8-inch drainage holes in each bottom. Without drainage, the boxes become waterlogged and the post bases stay wet, which is a common cause of premature rot. Line the inside with landscape fabric if you want to keep soil from washing through the gaps, but do not use an airtight plastic liner unless you add a dependable drain path.
Install the posts before filling the boxes. Center one post in each box and attach it to the bottom with galvanized post brackets or structural screws. Keep the bottom of each post at least 1 inch above standing water. Check that the posts are parallel and plumb; a small error here makes the slats look crooked.
Assemble the cedar screen
Cut the two horizontal rails to fit between the posts. Position the top rail about 3 inches below the post tops and the bottom rail about 6 inches above the planter tops. Clamp the rails in place, check for level, and drive two screws through each end into the posts. Predrill near board ends to reduce splitting, especially with dry cedar.
Mark the slat positions with a spacer block. A 1/2-inch gap is a practical starting point: it offers useful privacy while allowing some wind through. Set the first board flush with the lower rail, place the spacer on top, and continue upward. Use one screw at each end of every slat. Do not overtighten; crushed cedar fibers do not hold threads well.
If the panel is wider than about 72 inches, add a center vertical support. Long slats can bow, and a center support also reduces vibration in wind. For a stronger design, use 2×4 rails rather than 1×4 rails, or reduce the panel width.
Fill, finish, and secure it
After sanding sharp corners with 120-grit paper, apply a penetrating exterior oil or stain if desired. Coat cut ends carefully because end grain absorbs water quickly. Do not seal the inside of a cedar planter with ordinary indoor paint. If you want to grow plants, use a removable plastic nursery pot or a dedicated planter liner with drainage.
Use lightweight potting mix rather than dense garden soil. Fill each box gradually, checking that the screen remains plumb. A 12-inch planter filled with wet soil can weigh well over 50 pounds. Choose compact plants whose roots tolerate containers; large shrubs eventually become top-heavy and increase the chance of the panel tipping.
For windy locations, attach the planter boxes to the patio with removable brackets, add a second cross-brace between the posts, or widen each box to 16 inches. Inspect screws and drainage every spring. Replace any split slat before it can pull away and allow the rest of the panel to rack.
Best season to build
Build in a dry spring or early fall when cedar is easier to handle and finishes can cure within the temperature range listed on the container. Summer is fine if you work in shade, but hot boards can warp while you are laying out cuts. Avoid finishing during damp weather or below the product’s minimum application temperature. If you build in winter, assemble the dry screen indoors and postpone planting until the boxes and finish have had time to dry.