The 9 Best Square Fence Post Caps (2022 reviews)

square fence post caps
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Are you planning to buy square fence post caps, and are you confused about the options ? This page is just for you.

Our review process:

Our Top Picks:

Best Overall:
Buy: Jake Sales Square Fence Post Cap
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Best For Great Price:
Buy: Atlanta Post Caps Square Fence Post Cap
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Best For Pressure Fit:
Buy: Decorex Hardware Square Fence Post Cap
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Best For Easy Installation:
Buy: Wearpro Post Caps Square Fence Post Cap
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Best For Pvc Fence:
Buy: Aiwaiufu Square Fence Post Cap
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Best With Wood Post:
Buy: Jsp Manufacturing Square Fence Post Cap
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Best For Wooden Fence Post:
Buy: Plum Fittings Square Fence Post Cap
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Best For Stainless Steel:
Buy: Bobco Metals Square Fence Post Cap
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Best With Great Quality:
Buy: Magic Hub Square Fence Post Cap
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Best Overall: Jake Sales Square Fence Post Cap

Jake Sales Square Fence Post Cap
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If you want nothing short of the optimal cap for your daily usage, this Jake Sales Square Fence Post Cap is certainly the best investment. The jake sales square fence post cap is made of durable, low-maintenance vinyl. Post caps add a finishing touch to your vinyl fence. In addition, the cap is highly recommend, fits perfectly and it is white.

The cap fits 5" x 5" vinyl/pvc posts. Finally, the jake sales square fence post cap looks great and I found these on amazon.

Almost all buyers opine that the cap fits snug not loose, plus it is easy to paint and install. In addition, a few also found that the cap has stayed on through 40mph winds so far with no issues. Also, a few also found that the vinyl sleeve has about a 3 - 5/8 " i.d. In short, many customers have used the cap for more than a few months without letup, and it shows no sign of giving up.

Top Customer Quotes:
  • ✔ you need to measure the vinyl post outside diameter prior to purchase.
  • This measures closer to 3-1/2" x 3-1/2" actual.
  • This is true to size and it fits snugly.
  • This fits the 4×4 post, the top is larger and decorative 5×5.

Best For Great Price: Atlanta Post Caps Square Fence Post Cap

Atlanta Post Caps Square Fence Post Cap
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Compared with other caps in this category, the Atlanta post cap square fence post cap has a convenient design. The Atlanta post cap square fence post cap is flexible and it is easy to assemble. If you’re unsure, always measure to double check. These caps slide down the post 1.5” and are 7.5” x 7.5” at their widest point.

The cap is very easy and it looks great. In addition, this is the exact measurement of the dimensions of the wood, so a piece of lumber is marked “4 in. Most importantly, the Atlanta post caps square fence post cap is made for easy installing and it is highly recommend.

Most buyers agree that the cap fits smooth planned 6x6 posts. Further, they say that the caps are back in stock because of their quality and fit. And, a few also found that the cap came with 4 exterior screws, which helps a lot.

Top Customer Quotes:
  • This looks great and will protect the top quite stylishly.
  • Manufacturer says: We highly suggest using anti-rust screws to ensure a lasting, no-hassle attachment.
  • These fit a treated 6x6 which is 51/2 x51/2.
  • Simply press and the cap will 'snap' firmly into place.

Best For Pressure Fit: Decorex Hardware Square Fence Post Cap

Decorex Hardware Square Fence Post Cap
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The Decorex Hardware Square Fence Post Cap's superior materials makes sure that it ages well with use. The decorex hardware square fence post cap can be bought for good value, as well, It looks really nice and has a decorative pyramid design. Choose decorex hardware 2" x 2" aluminium pyramid post caps now, and finish your project with great style & quality. This model of post cap can also be attached to wooden posts using glue, silicone or other construction adhesives.

Lastly, the decorex hardware square fence post cap allows easy and secure press fit installation on posts as long as posts are standard 2 x 2 inch.

Almost all buyers found that the cap fitted true 4x4 steel post perfectly. And, they also found that the cap is a perfect fit and also will last a long time.

Why We Like This:
  • Fits over 2" x 2" square steel or aluminum posts. Designed for outdoor use.
  • Made of high quality cast aluminum. Thickness of around 1/8".
  • This is designed for perfect match, is great for pressure fit and it works great.
  • This makes for solid construction, it looks great and has a solid design.

Best For Easy Installation: Wearpro Post Caps Square Fence Post Cap

Wearpro Post Caps Square Fence Post Cap
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The Wearpro Post Caps Square Fence Post Cap is capable of outshining several other caps featured in this list in overall features for the price point. The wearpro post caps square fence post cap is great with fast shipping and it is really nice. Make sure this fits by entering your model number. Also, the cap looks great, can be registered for a lifetime warranty, it is suitable for heavy duty and has an elegant design.

The cap fits 3.5" x 3.5" (4" nominal) standard wood post. Moreover, this fits the standard 4x4 mailbox, deck, lamp post, dock and piling posts. Finally, the wearpro post caps square fence post cap is attractive and it is coated with glossy paint.

Almost all buyers found that the cap looks like a nice cap and measures 3 1/2" square. In addition, they say that the cap does not overlap the post by more than 1/2" at best. Moreover, they say that the cap is designed for a true 4" by 4.

Top Customer Quotes:
  • This covers 5/8” of an inch.
  • This fits perfectly on the 4x4 post.
  • [Ornamental] decorative & attractive - classy look dresses up your fence, deck or dock!.
  • They look great, are very sturdy, and are extremely easy to install.

Best For Pvc Fence: Aiwaiufu Square Fence Post Cap

Aiwaiufu Square Fence Post Cap
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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate cap. The Aiwaiufu Square Fence Post Cap is exactly that - it's a simple cap that hits all the right notes. The aiwaiufu square fencepost cap has no fading or yellowing resins. Easy installation, slide the cap over the top of the post. And, the cap is made for a great fit and it is solar.

The cap is made of durable, low-maintenance vinyl. Most importantly, the aiwaiufu squarefence postcap is great with fast shipping and it fits perfectly.

Most buyers found that the cap is a perfect fit over square vinyl posts, extending approximately 7/8" down the side of the post. In conclusion, many customers have used the cap for more than a few months without any complaints, and it shows no sign of giving up.

Why We Like This:
  • The cap extends approx 7/8" down the side of the post.
  • This is made with perfect color and it is white.
  • ★Vinyl fence pyramid post cap is made of durable, low-maintenance vinyl.
  • Cut off vinyl fence post cap fits snugly over 5" vinyl posts.

Best With Wood Post: Jsp Manufacturing Square Fence Post Cap

Jsp Manufacturing Square Fence Post Cap
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The Jsp Manufacturing Square Fence Post Cap's high-end materials makes sure that it ages well with use. The jsp manufacturing square fence post cap fits perfectly and it is affordable. Designed to protect your posts from water and sun damage. Also, it looks great and it is flexible.

Lastly, the jsp manufacturing square fence post cap does the job and it makes for nice quality.

Most buyers quickly discovered that the cap is a welcome refuge for spiders and spiderwebs galore. Moreover, they also found that the cap fit nice on 2" x 2" posts. Obviously, this product passed the test and had very satisfied buyers eager to share their experience.

Why We Like This:
  • Quantity: 8 caps ~ color: black ~ made in the USA.
  • Measures approximately: inside dimension 2" x 2" / outside dimension: 2.20" x 2.20".
  • It fits perfectly and it is very durable.

Best For Wooden Fence Post: Plum Fittings Square Fence Post Cap

Plum Fittings Square Fence Post Cap
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Not everyone likes to purchase a cap for their regular use, but the Plum Fittings Square Fence Post Cap would be an anomoly. The plum fittings square fence post cap is highly recommend, is made for good value, it is solar and has a good design. These sleek and durable post caps come in a pack size of 32, so you can easily tackle large fencing projects. These 5 5/8" post caps are designed to fit standard 6x6 posts, and have a nail-in-place installation style that enhances the stability and lengthens the lifespan of these high-quality, fence post caps.

The cap features a black polypropylene construction that is both weather and uv resistant, for long-lasting color and performance. In addition, it is very good and very easy. Most importantly, the plum fittings square fencepost cap is made for easy install, as well and has a durable design.

One customer says - "These will keep your posts from rotting from the top due to standing water rot for at least a decade. ". Almost all customers quickly discovered that the cap measures 2.5" x 2.5 plus it has a reflective finish that paint will not adhere to well. Consequently, customers were very happy to recommend it to friends and families.

Why We Like This:
  • This is great with fast shipping, is great for a great price and it looks great.
  • This fits externally onto the fence post and only requires one screw for sturdy installation.
  • This is built to last, fits very well, it is very nice and has a classy style.

Best For Stainless Steel: Bobco Metals Square Fence Post Cap

Bobco Metals Square Fence Post Cap
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Next on the list, we've got yet another cap that manages to win our hearts. It's the Bobco metal squarefence postcap and it's widely considered as the cap that has the most suitable features. The Bobco metal square fence post cap is also easy to install. Manufacturer says: We provide our customers with the necessary materials to complete their projects for both home and business. These steel caps don't need any hardware tools to be installed.

The caps are usually painted with waterproof paint for rust protection. Lastly, the Bobco metal square fence post cap is ornamental, fits perfectly and it is very nice.

Most buyers agree that the cap is made of 4 inch metal posts (not wood posts) They fit like a glove. And, they also found that the cap would rust outside in the elements. Overall, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • This will last a long time with their new coat of paint.
  • This is made for heavy duty and it is industrial.
  • This provides extended longevity in even the most challenging environment.
  • This fits perfectly as well, and it can resize for a nice fit.

Best With Great Quality: Magic Hub Square Fence Post Cap

Magic Hub Square Fence Post Cap
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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate cap. The Magic Hub Square Fence Post Cap is exactly that - it's a simple cap that hits all the right notes. The magic hub square fence post cap is maintenance free and it looks nice. The cap fits tight. You may apply exterior caulk to the underside of the postcap for a tighter fit. In addition, this is ideal to complete a variety of fencing projects in extreme weather conditions or with extreme architectural requirements.

Above all, the magic hub square fence post cap can be used on gates and fences.

To sum up, for almost all customers, Magic Hub product was just what they wanted.

Why We Like This:
  • Package content: 10 x steel post caps.
  • These square post caps are made to be the best for your fence posts.
  • 1-1/2" x 1-1/2" post cap pressed dome steel metal square for gate fences.
  • Top your fence with these stunning decorative post caps for a classy look.