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How to Build a Patio Privacy Screen

This airy screen provides the perfect solution to a less-than-private patio or deck by screening in your outdoor living area. The screen offers an attractive look and unique design, which will enhance your yard, yet it's also DIY friendly to build. In fact, we'll show you a foolproof technique for laying out the fence to ensure you get perfect post positioning. Most of the rest of the job is cutting boards to length and screwing them together.

By the DIY experts of The Family Handyman Magazine

Before you start

If you feel as if you're living in a fish bowl when you're lounging on the patio, we've got the solution. This simple, airy screen will block all but the most persistent prying eyes. It'll even block heavy wind, but it's open enough to allow light and cooling breezes through, so you won't get that hemmed-in feeling you'd get from a solid wall or fence. Our privacy screen is 12 ft. long and about 7 ft. tall at the highest point. But you can adapt the length or height to your own needs or even mount a similar design on an existing deck (see “Deck-Mounted Privacy Screen.”).

If you've ever built a simple deck, trellis or just about any other wooden garden structure, you have the skills and tools to tackle this job. Most of the carpentry work just entails cutting standard boards to length with a circular saw and then screwing the parts together with a screw gun. In fact, if you stay focused, you can expect to finish the whole project in a relatively sweat-free weekend.

In this article, we'll show you a foolproof layout technique using the horizontal rails to guide the post positioning and screen assembly. With this simple system, a robust novice can build this project. You can easily adapt it to any screen size. We'll also show you a new technique for setting solid, rot-resistant posts using dry concrete. And we'll demonstrate a simple method for making the curved, three-board top using spacing blocks and scribing the curves with one of the top boards (Photos 10 - 12). To build your own screen, you'll need a circular saw, a screw gun and a sharp chisel, as well as a “clamshell” posthole digger and a 2- or 4-ft. level for digging the four postholes and plumbing the posts.

We chose to build our screen from rough sawn cedar because we wanted its decay-resistant qualities and rough look. The total materials cost was about $400, but you can spend less by substituting smooth-faced cedar, treated wood or even conventional framing lumber. Whatever you choose, use treated wood for post parts that are in the ground so you won't ever have to worry about rot.

You May Need a Permit

Chances are remote that you'll need a building permit, but check with the building department to make sure. If you need a fence permit, it'll include a list of fence rules that your screen has to follow. If you live in a development that has building covenants, submit plans, placement information and color selections to the architectural review committee. Showing it the photos and drawings in this article along with information on the specific spot for your screen should be adequate. Don't skip this step or you may end up restaining or even tearing down your new screen.

Be sure to call to have the underground cables and gas lines marked before you dig any post holes. Most states have a single toll free number you can call to get all the utilities marked. You can ask the building department for the number, call the nationwide Dig Safely hot line at 411. Mark the screen's position on the ground with spray paint or stakes before the crew comes. Call ahead of time; it generally takes two to three days to have utilities marked.

Planning your privacy screen

We built our privacy screen on a level site, but you can build a similar screen on just about any slope. For it to look best, keep the rails level and then follow the slope with vertical pickets that are a consistent distance from the ground.

Build your screen any length you wish. However, the longest material you'll be able to buy is 16 ft., so for longer screens, you'll have to splice the rails and top caps. If splicing is necessary, plan it so the joints fall near the post centers, and splice opposite rails and overlying top cap layers to fall on different posts. Add or delete posts as you wish, but stick with our system for laying out post locations using chunks of 2x6 posts and 2x2 pickets to get the spacing right. However, keep the post spacing less than 4 ft. for a highly rigid, wind-resistant screen.

We don't recommend building a higher screen, especially in high-wind areas. But lower screens are sometimes preferable if you'd like to see over the top while standing but want more privacy while seated. Build a shorter screen using the same spacing techniques we show but reduce the distance between the upper and lower rails. The top cap for a shorter screen may require a gentler curve because it'll be difficult to bend the wood without breaking it. Try a test bend.

If you hear the wood crack or it takes too much force to make the bend, simply cut the middle posts shorter until the wood bends without trouble. If you don’t want to fuss with the bend or want to match other horizontal elements in your yard, consider just cutting off the posts and screwing on a flat top cap of solid 2x8.

Selecting Materials

The sandwich post design we show features long-lasting treated wood below grade and attractive rough-sawn cedar above (Figure A). If cedar isn't available at your lumberyard, you can substitute any other wood for the above-grade materials or build the entire screen out of treated wood. All framing materials, treated and untreated, will last longer and look better if you stain everything, especially the cut ends.

When you're selecting your lumber for the top cap pieces, pay special attention to get sound 3/4-in.boards for the top cap pieces—no cracks, splits or large knots. When you're bending the boards, knots or cracks may cause them to break under the stress (Photo 10).

Screws are the best way to put together a strong, durable screen. But read the box to make sure you select ones that are designed for decks. Other fasteners may corrode and leave ugly “bleed” marks on the wood after a short time.

Lay out and notch the rails

Before you dig the postholes, lay out and notch all four horizontal rails as shown in Photos 1 and 2.You'll use the rails for positioning, spacing and anchoring the posts, and later for placing the 2x2 pickets.

Lay out the rails by measuring 6 in. from one end and then use a 2x6 block as a template to mark the first post notch. Use a 2x2 block to mark a gap, then a picket, another gap and so on for nine pickets. Mark the next post notch and then continue marking the rest of the pickets and posts. After the last notch, measure 6 more inches and cut the rail to length. See Figure A, Detail 1, in the addendum at the end of this story for help. Cut off the corners at 45 degrees on both ends of each board, then cut out the notches as we show in Photo 2.

Dig the holes and set the posts

Lay the straightest rail on the ground and shift it until you find the screen's best position. Then drive stakes to hold it in place and to mark the postholes (Photo 3). Set the rail aside and then dig 3-ft. deep x 8-in. diameter postholes at each notch location and pour about 6 in. of gravel into each hole. Build the treated wood portion of the posts first (Figure A).Measure the hole depth and then cut the outer 2x6s to project about 6 in. past the top of the holes, but let the 2x4 center posts run full length. You'll cut all the post parts to length later. Preassemble the treated posts with 3-in.deck screws.

Keep the fasteners 8 in. or so below the top of the 2x6s to avoid hitting them with a saw blade when you're trimming them to length later. Reset the guide rail (Photo 5) and use it and a level to position and plumb the posts in each hole. After each post is positioned, hold them in place with temporary screws driven into the guide rail.

Set the posts in dry concrete

To avoid waiting for concrete to set up, you can fill around the posts with dry concrete mix rather than pouring wet concrete. That way, you can continue with the rest of the carpentry work and maybe even finish the project in one day. Keep the top of the dry concrete a few inches below the top of the hole. (You'll need about two 60-lb. bags per hole.) When you're done working for the day, simply flood the top with the garden hose and the concrete will set up overnight (Photo 13).

Don't worry about trying to saturate the mix. Over time, the underlying concrete will absorb enough moisture from the ground for complete curing. Mixes that are labeled for “post,” “quick” or “fast” are the best ones to choose. But if all you can find is regular premixed concrete, that'll work fine too.

Tip: Before you cut off the post tops, drive two screws through the 2x6s above the cut marks. They'll hold the pieces in place so you don't get bonked by the cutoffs.

Screw the parts together

You'll be amazed at how fast the rest of the screen goes together. That's because you've already cut the notches for the posts and marked the picket locations. It's largely just a matter of screwing all of the parts together as we show in Photos 7 - 9. It really helps to prefinish all the parts before laying out the rails and doing any assembly. We stained everything with two coats of solid stain before any cutting, and stained the notches and freshly cut ends before assembly for even more protection. That cuts down on painting inside crevices and cutting in, particularly if you have a two-tone color scheme like ours.

Cut off the treated 2x6s about 3 in. above grade (Photo 6), screw the 2x6 cedar outer posts on one side of the 2x4s, and then screw two rails to one side of the posts using the heights we show in Figure A.

Level the rails and sight down them to make sure they're straight before screwing them to the middle two posts. Then plumb and brace the two end posts in both directions as we show in Photo 7. The rails should hold the center posts plumb as well, but if you have any stubborn ones, plumb and brace them, too. The dry concrete mix will let you make minor adjustments.

Cut the 2x2 picket caps to length so they fit tightly between the 2x4s. Then screwing on the 5-ft. long pickets will go fast. Just push them against the top picket cap and use the marks on the rail to guide their placement (Photo 8). Finally, screw on the other post parts and rails. You'll have to fudge a bit to get the 2x6s to match the rail notches. You may have to drag an assistant away from an episode of the Simpsons to help you hold the 2x4 rails and wiggle them into place.

Bending the top cap boards

Bend the 1x4 top cap board to simulate the top curve and to determine where to cut the posts. Center a screw on the end blocks so they can pivot while you make the bend. It's good to have the Simpsons fan on hand for this step too.

You'll find it awkward to hold the spring-loaded 1x4 in position while reaching and scribing all four posts. Transfer the marks around to the other side of the posts with a square and then cut off the posts with a circular saw and handsaw (Photo 11).

Center the 1x8 top cap and screw it into each post with a pair of 2-in. deck screws. Center and screw down the 1x6 and 1x4 top caps to the posts, adding screws wherever gaps appear.

Figure B: Deck-Mounted Post

Figure B: Deck-Mounted Post

Deck-Mounted Privacy Screen

If you have a deck that makes private gatherings feel like neighborhood events, don't fret. This privacy screen adapts easily to most decks. That's because most decks have a single rim joist that's the same thickness as the center 2x4 of the post. In most cases, you can easily remove an existing rail, notch the decking and straddle the rim joist with the outer 2x6 of each post.

Brace the rim joist with blocking to at least the second and third joists back to stiffen it as we show in Figure B. Lag screwing the end posts to an existing rail and the house will also greatly stabilize the screen.

Deck sizes vary widely, so to fill a side of a deck with a privacy screen, you'll need to work out the number and spacing of posts as well as the finished height on your own. But a 7-ft. tall screen may look too high on a smallish deck. A shorter height of 5 or 6 ft. will still give you reasonable privacy, especially when you're sitting at a table. Keep post spacing between 3 and 4 ft. if possible.

Back to Top

Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

    • Hammer
    • Clamps
    • Cordless drill
    • Tape measure
    • Circular saw
    • Bucket
    • Cold chisel
    • Level
    • Drill bit set
    • Hearing protection
    • Posthole digger
    • Safety glasses
    • Spade
    • Speed square

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

ITEM QTY.
Quick-set concrete (60-lb. bags) 8
Gravel (40-lb. bags) 4
2x6 x 12' treated (below-grade posts) 2
2x4 x 12' treated (below-grade posts) 4
2x6 x 8' cedar (outer posts) 8
2x4 x 12' cedar (horizontal rails) 4
2x2 x 10' cedar (pickets, top caps)* 13
1x8 x 12' cedar (top cap) 1
1x6 x 12' cedar (top cap) 1
1x4 x 12' cedar (top cap) 1
5-lb. box of 3" deck screws 1
1-lb. box of 2" deck screws 1

*Most lumberyards only carry 8-ft. or 4-ft. long 2x2s, which will leave a lot of waste. If you have a table saw, consider buying fourteen 10-ft. long 2x4s and ripping your own pickets to save money.

You can print out the Materials List in the Addendum

Comments from DIY Community Members

Share what's on your mind and see what other DIYers are thinking about.

1 - 6 of 6 comments
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September 14, 3:24 PM [GMT -5]

blutopaz - We like our fence a lot. In fact we built a second one shortly after finishing the first. They've held up well over the years. We're in Minnesota so lots of weather variation.

We built a 3rd section across the back of the yard this summer. And the reason I'm out here is we plan to build a 4th starting this weekend. Just coming out to look at the materials list. The design was modified slightly for the back sections by adding 2 spindles to each of the 3 groups of spindles(so 11 instead of 9). This lengthens each section a bit but is still short enough to use the 2x12 cross members. Only difference in material is another 2 2x4/10's to make extra spindles and the top 1x's need to be 14 ft instead of 12.

May 17, 11:05 AM [GMT -5]

jrn23, how is your structure holding up? What part of the country are you in? We're thinking of building something similar to act a a shade from the west sun on the back of our house. We'll be putting the uprights in at an angle to block the sun. Just wondering how you like the one you built. Thanks, blutopaz......

June 30, 6:12 PM [GMT -5]

This is a great DIY project for the summer. Thank you for the help!

June 15, 4:21 PM [GMT -5]

Should mention that there is a slight miscalculation in the materials list though. If you plan to get 2x4x10 boards to rip your pickets you'll only need 7 or 8 10ft boards, not the 14 that the plan calls for. You'll need 27 vertical spindles and some leftover for the top caps. So 8 10ft boards are more than enough.

June 15, 4:10 PM [GMT -5]

Just finished building one of these this past weekend and it turned out wonderfully. Have already gotten numerous complements from neighbors and those passing by. It turned out so well I think I 'll need to build another one.

May 03, 4:17 PM [GMT -5]

This is just what I need in my backyard.

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