We consider a 6x6 pressure treated post cap to be a worthy investment in the long run. We are here to help you pick the best one for your purposes from all the best available products in market today.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Nuvo Iron 6X6 Pressure Treated Post Cap READ REVIEW

Best For Great Price: Buy: Decorex Hardware 6X6 Pressure Treated Post Cap READ REVIEW

Best For Easy Installation: Buy: Jsp Manufacturing 6X6 Pressure Treated Post Cap READ REVIEW

Best For Nails: Buy: Jsp Manufacturing 6X6 Pressure Treated Post Cap READ REVIEW

Best For Pressure Treated Material: Buy: Deckorators Newport High Pyramid Post Cap READ REVIEW

Best For Wooden Fence Post: Buy: Plum Fittings 6X6 Pressure Treated Post Cap READ REVIEW

Best With Wood Post: Buy: Deckorators 6X6 Pressure Treated Post Cap READ REVIEW

Best Overall: Nuvo Iron 6X6 Pressure Treated Post Cap

Buy on Amazon

The look and feel of these caps are consistent with the high quality we're used to from the rest of Nuvo Iron's lineup. The Nuvo Iron 6X6 Pressure Treated Post Cap provides great value, It is great for brand name and has an attractive design. Make sure this fits by entering your model number. And, it fits very well, it works well and has a modern design.

The cap comes with quality caps, it is ornamental and has a good design. Further, the cap looks nice, fits fine, It is great for customer service and has a solid design. Most importantly, the nuvo iron 6x6 pressure treated post cap is designed for good fit, is used even on Amazon, It is best for super high quality and has a durable design.

Almost all buyers found that the cap is a perfect fit, nice looking, protects post from rain. Moreover, a few strongly agree that the cap looks great and the are true 6x6 in size. Moreover, they also found that the cap is designed for posts with true dimensions of 5.5"x5.5. Overall, at the price, they believe that they got a steal of a deal with it.

• This is a great way to finish out deck posts.
• This has maybe a 1/8” gap to account for variances in posts.
• This looks like new plus it comes with 2 screws per cap.
• It is easy to install, they’re great, heavy - duty quality.

Best For Great Price: Decorex Hardware 6X6 Pressure Treated Post Cap

Buy on Amazon

Not everyone likes to purchase a cap for their daily usage, but the Decorex Hardware 6X6 Pressure Treated Post Cap would be an anomoly. The decorex hardware 6x6 pressure treated post cap is very easy, is designed for a great price and it provides great value. Add years to the life of your investment. The screws attached to the product are made of stainless steel, which provides complete protection against rusting.

The cap is solid and it has saved money. Above all, the decorex hardware 6x6 pressure treated post cap comes with great quality, is easy to attach and it is true to size.

Most buyers found that the cap fit perfectly with no wiggle room. Also, they say that the cap fits well and looks like it will hold up for at least 30 years. And, they strongly agree that the cap is coated with a lovely finish, and is worth the money if that is far enough. Overall, many have used the cap for more than a few months without any complaints, and it shows no sign of giving up.

• The deeper the inside size of this post cap decreases to 6.0"x6.0.
• This will not work with actual 5.5" x 5.5" posts.
• This allows for easy installation, looks very solid and it comes with the correct size.
• This fits the 3.5" post perfectly and also is a nice finishing touch.

Best For Easy Installation: Jsp Manufacturing 6X6 Pressure Treated Post Cap

Buy on Amazon

We would, of course, be remiss if we didn't mention Jsp Manufacturing 6X6 Pressure Treated Post Cap for regular use. The jsp manufacturing 6x6 pressure treatedpost cap can be painted, must use paint that adheres to plastic. The Manufacturer says: Add a simple, clean appearance to your fence, railing or mailbox post with our true 4”x4” pyramid caps. And, it is available in both black and it is very durable. Finally, the jsp manufacturing 6x6pressure treated post cap is made for easy installation and it is important.

• One of the newcomers and featured product.
• Good investment for the long term.

Best For Nails: Jsp Manufacturing 6X6 Pressure Treated Post Cap

Buy on Amazon

The best part: Jsp Manufacturing 6X6 Pressure Treated Post Cap costs comparatively low and it is available to ship in 24 hours. The jsp manufacturing 6x6 pressuretreated post cap is used for thick plastic, fits well and it added additional decking. Please make sure to measure your post. Moreover, the cap is very nice, it is solar and has a durable design.

Most importantly, the jsp manufacturing 6x6 pressure treated postcap is best for a great appearance and it works well.

Most buyers quickly discovered that the cap can be secured with nails or glue, should be pre-drilled if secured with nails. Further, a few strongly agree that the cap can be painted, must use a paint that adheres to plastic. In short, buyers found this to be one of the best cap for daily purposes.

• It is of great quality and it provides great value.
• This is great for a great price, as well, and it is designed for good fit.
• This is much cheaper, it can for customer service and has an attractive design.
• This works well for 6x6, plus it fits nicely on 6x6 posts.

Best For Pressure Treated Material: Deckorators Newport High Pyramid Post Cap

Buy on Amazon

Best part: Deckorators Newport High Pyramid Post Cap costs comparatively low and they are available to ship in 24 hours. The deckorators newport high pyramid post cap looks great, It is white and has a durable design. Newport high pyramid wood post caps protect and finish your posts with the natural look of wood. The newport high pyramid post cap is specifically designed for use with posts measuring 3 - 1/2 " x 3 - 1/2.

Most importantly, the deckorators newport high pyramid post cap is solar and it is built with excellent workmanship.

Most buyers found that the cap fits around the post and also it is great with no issues. Moreover, a few also found that the cap can be sanded, stained, or painted. Also, a few say that the cap is perfect even on the old warped wood. In short, for most buyers, it was what they were looking for.

• This looks great on top of the deck posts.
• For use with posts measuring 3-1/2 inch x 3-1/2 inch.
• It is green, it provides great value and has a solid design.
• This works for pressure treated material and it looks great.

Best For Wooden Fence Post: Plum Fittings 6X6 Pressure Treated Post Cap

Buy on Amazon

The Plum Fittings line of caps comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Plum Fittings 6X6 Pressure Treated Post Cap is made with fast shipping, can be bought for good value and it fits very well. These caps will not only add a sleek look to your new fence or deck, but will be able to withstand the elements for years to come. These black post caps are designed to fit 6"x 6" pressuretreated wood posts and have a pre-cut nail hole to make installation a breeze.

Above all, the plum fittings 6x6pressure treatedpost cap features a black polypropylene construction that is both weather and uv resistant, for long-lasting color and performance.

One customer says - "These will keep your posts from rotting from the top due to standing water rot for at least a decade. ". Most buyers agree that the cap measures 2.5" x 2.5 plus it has a reflective finish that paint will not adhere to well.

• This fits externally onto the fence post and only requires one screw for sturdy installation.
• This is made for easy install, as well, It looks great and has a good design.
• One of the newcomers and featured product.

Best With Wood Post: Deckorators 6X6 Pressure Treated Post Cap

Buy on Amazon

Next on the list, we've got yet another cap that manages to win our hearts. It's the Deckorators 6X6 Pressure Treated Post Cap and it's widely considered as one of the most convenient caps you can buy. The deckorators 6x6 pressure treated postcap fits perfectly, It fits very well and has a classic design. Make sure this fits by entering your model number. The new classic flat top post cap adds a simplistic touch to deck posts. Above all, the deckorators 6x6 pressure treated post cap is strong and naturally resists rot and decay for long-lasting performance.

A few strongly agree that the post cap fits a nominal 6 - in x 6 - in wood post.

• Lot of satisfied buyers.
• New and hot releases.