4x4 Post Cap │White Pyramid Top

Four by four nominal White Pyramid Post Cap for wooden posts.

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A wooden fence is an attractive addition to your property. It adds visual appeal to your landscape while giving you privacy, and security. The post caps you choose will enhance that look and give your fence a distinctive look that distinguishes your property from that of your neighbors. But their purpose isn’t just decorative; they’re supposed to protect the posts that are the support system for your fence.

View our installation instructions here.

4X4 Fence Post Caps - White Pyramid Topper

  • Comes in Nominal (3.5” x 3.5” up to 3.75" x 3.75") and Actual (4.0" x 4.0" to 4.6" x 4.6")

  • These caps slide down the post 1.5” and are 5.5” x 5.5” at their widest point.

  • 10 year guarantee against fading, discoloration and warping!

  • High impact, remarkably sturdy ASA resin. The same material used in automobiles!

  • Made in the U.S.A.

  • Quick and easy patented SNAP-CAP installation, built right into the cap!

  • Fraction of the cost of comparable wood caps.

  • Contractor and bulk pricing available!

Our American-made ASA resin post caps contain the same plastic resin that marine vehicle and auto manufacturing companies use. The hard plastic material is stronger, more durable, and more UV and impact resistant than wood. It doesn’t warp, get discolored, or fade. And we’re so sure that our ASA resin post caps won’t fade, warp, or discolor, we guarantee our fence post caps against those properties for ten years.

If you’re looking for fence post caps that are attractive, enhance the architectural appeal of your home and landscape, and add a decorative element that gives your fence or deck posts more character, consider our white pyramid Estate Series 4x4 post caps.

This particular style comes in two versions: Nominal and True (or Actual.) If the label on the posts you purchased has the word “nominal” on it, the dimensions of the posts are smaller than the 4” x 4” listed on the shelf tag or post. Our nominal post caps will fit posts whose measurements range from 3.5” x 3.5” to 3.85” x 3.85”. If your posts are true 4” x 4” posts, the label will clarify that with the word “actual.” Our true or actual fence post caps in this series will fit posts with dimensions that are between 4” x 4” up to 4.6” x 4.6”.

Our ASA Resin post caps give your posts the protection that they’ll never get from wood post toppers. Moisture and humidity are hard on wood, and there’s no escaping the continual cycle of contraction and expansion that occurs in humidity. Our ASA resin white 4x4 post caps will prevent water from getting under the pyramid top, so your posts will be less likely to rot or develop mold. The post toppers in this series create a sleeve that extends 1 ½ -inches down the post. The widest part of the post cap is 5 ½” x 5 ½”.

We created the patented SNAP-CAP installation method, and we’re the only post cap manufacturer in the country that holds a patent on their design. Thanks to the speed and ease of our technology, you’ll be able to install your post caps effortlessly. And you won’t see any screws after installing them.

Our maintenance-free fence post caps cost less than similar wood post toppers. They are just as attractive as wood, and they last a lot longer.

Frequently Asked Questions


Order online or by phone at 770-808-0200.