Custom Toppers for Existing Fences.
FAQ

Questions about fence toppers

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What is FenceTopper?

FenceTopper is a privacy extension that mounts above your existing fence. A tensioned outdoor mesh panel runs between posts you install above your fence and adds 12 to 24 inches of screening, in 1 inch steps, without replacing the fence.

How tall should my fence topper be?

You can choose any height from 12 to 24 inches, in 1 inch steps. Most customers choose 18 inches, which turns a 6 ft fence into 7 ft 6 in. Go lower for a low sightline such as a neighbor’s patio, and higher when you need to screen a deck or a second-floor window. The visualizer shows any height on a photo of your fence.

How do I measure my fence for a topper?

Measure each straight, level run of fence from end post to end post in feet and inches. Where the fence turns a corner or steps up or down, start a new run, and leave out gates. Measure your fence height too. The measuring guide walks through it and the price builder turns your runs into a price. Fences that follow a continuous slope are not currently supported.

Can I install it myself?

Yes. You or your contractor install the fence extenders (the posts that hold the topper above your fence), then slide the panel over the inner posts, wrap the end straps around the outer posts, pull them snug and set the height with a screw at each center post. The installation guide shows each step.

What tools do I need to install it?

A tape measure, a drill or driver, a level and a pencil. Fence extenders and their mounting hardware aren’t included; see the options on our Fence extenders page.

Does it work on wood, vinyl and composite fences?

FenceTopper is shown on cedar, horizontal slat, painted wood and composite fences. You or your contractor attach fence extenders to your existing fence posts, and the panel mounts between them. Send us a photo through support if you are unsure about your fence.

How does it handle corners?

At a 90-degree corner, two separate straight panels meet at one shared corner post. Each panel ends with its own straps and removable cover, so the fabric never has to bend around the corner.

Will it stay tight, or will it sag?

The panel is tensioned from both ends through pull-through strap adjusters, and fiberglass battens keep the edges straight. All posts hold the panel at the same height, so there is no dip at the center posts. You can re-tension the straps at any time.

How does it hold up to wind and weather?

The fabric is a woven outdoor mesh, so air passes through it instead of loading the fence like a solid board. It has a water-repellent acrylic-coated finish. Wind and UV ratings will be published once testing is complete.

What colors are available?

Carbon, Black, Evergreen and Brown. Carbon is the most popular and suits most fences. Order a swatch kit if you want to compare colors against your fence first.

How much does a fence topper cost?

$14 per square foot of topper, plus $40 for each middle post and $120 for each panel. Enter your runs in Shop for an estimate.

Do I need permission from my HOA or city?

Many cities limit backyard fence height to 6 to 8 ft, and HOAs may have their own rules. Check your local code and HOA before you order. Because FenceTopper comes in 1 inch steps from 12 to 24 inches, it’s easy to pick the tallest topper that stays under your limit.

How long does shipping take?

Orders ship to your door in one box. Shipping times and costs are shown at checkout.

Can I take it down for winter?

Yes. Loosen the straps, lift the panel off the posts and store it dry. The posts can stay in place.

Are posts included with FenceTopper?

No. You or your contractor provide and install the fence extenders, the posts that hold the topper above your fence. Our Fence extenders page shows the options by fence type, and FenceTopper builds the panel to fit your approved layout.

Which extender fits my fence?

It depends on your fence. Round steel posts take an insert-style extender sized to the post, such as the OZCO internal extender for 2 3/8 in posts or a swaged extension for 1 5/8 in posts. Wood fences can use a face-mounted leg or a pipe bolted to the side of a sound 4x4 post. Our Fence extenders page shows each option and what it fits.

How tall should the extender be?

Each extender should rise about 1 in above the topper. On a level run, cut an OZCO tube 1 in longer than the topper height, so a 24 in topper uses a 25 in tube. If your post tops aren’t level, set the two end extenders, stretch a mason’s line between them and cut each middle extender to meet the line.

Can I use my own extender design?

Yes. Describe it when you send us your project, or email us a photo or drawing with its profile and size. We’ll review whether the topper can be adapted to it. That review isn’t an engineering approval.

Do I need a contractor for the extenders?

It’s up to you and depends on the option. Side-mounted pipe on wood posts is best done by a contractor. Either way, make sure your posts, footings and fasteners can carry the taller fence, and check your local height rules.