Next Stone

18" x 18" Post Cap by Nextstone

Ships within 24hrs (as long as item is available)
Adding to cart… The item has been added

Faux Stone Post Cover Post Cap by Nextstone

*some colors may have a longer lead time


  • 5 colors to choose from: brown, buff, charcoal, gray, and onyx

  • Size: 

    • Outer dimensions: 18” x 18”

      • Click HERE for 10-1/2” x 10-1/2” option

    • Inner dimensions: 16” x 16”

    • Center point to peak: 3”

    • Height of sides: 2”

  • Material: high density expanded polyurethane 


  • Stone post caps (quantity = 1)

  • Installation instructions

Not included:

  • Silicone - needed to mount post cap to post cover

  • LED Cap lights

More details:  

  • Low maintenance

  • Infused with UV inhibitors and fire retardants ~ protection against harsh climates

  • The look and feel of masonry

  • Made to match the Nextstone Column Wrap

About this product…

Nextstone SlateStone Post Caps are seamless additions to the Nextstone SlateStone Column Wraps, finishing the look. These post caps are made from the same materials, allowing for cohesion to your decking when paired with its sister products. Made with high density expanded polyurethane, the material allows for durability in extreme or harsh environmental conditions. 

Along with its durability, Nextstone SlateStone Post Caps are cast from actual stone and rock patterns, giving your decking the look of actual stone without the cost, time, or commitment required from real stone. 

LED lights can be installed underneath the hood of the cap, so that the lights can cast downwards on your posts. This lighting adds warmth to your outdoor area during the nighttime, and allows your posts to garner more attention-to-detail. Check out the video below for guidance in installing your LED lights.

Looking for natural, bold, and strong pieces to add to your outdoor area? Nextstone’s products offer just that while being cost, time, and installation friendly. There’s no need for professional siding or decking installers, solely silicone, for an easeful assembly.

Click HERE for Nextstone SlateStone Column Wrap to complete your look

Click HERE for the Nextstone Post Converter Kit, offering more ease to your installation process, and allowing you to modify a 4” x 4” base post to a 6” x 6” post

Click HERE for Cap Light Product Specifications:

Click HERE for SlateStone Post Cap Installation Instructions:


Still have questions or need advice on ordering the right supplies for your project? Get in touch with Deck Expressions’ 24/7 customer service. We’re always ready to help.

All Claims under this warranty must be reported to NextStone within sixty (60) days of the date that the defect is first discovered. Claimant should describe the defect and provide name, address, date of installation and warranty certificate number if available. Original Owner’s 20 Year Limited Liability Warranty:

Videos Hide Videos Show Videos

Related Products

Customers Also Viewed