4" x 4" Turned Newel Post Sleeve by RDI

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4” x 4” x 48” Turned Newel Post Sleeve by RDI ~ White


  • Material: vinyl ~ vinyl’s base ingredient is rigid PVC (polyvinyl chloride); providing superior strength and ultraviolet resistance

    • *impact modified for flexibility and durability

  • Length: 48” (can be trimmed down)

  • Width: 4" x 4"
  • Wall Measurements:

    • 1/4” wall thickness 4x4x48"


  • Post-sleeve (1)

More details:

Not included:

  • Internal Structural Posts

About this product…

Post-sleeves are used to cover existing posts that you may have on your deck, in your yard, or around your home. If you’re looking to update a space or make your home feel more in line with your desired aesthetics, post-sleeves are a cost-effective and easeful solution, not requiring you to remove previously installed posts. One quick home improvement that will transform your whole space is upgrading old posts that support deck or porch railing systems. Using these Turned Newel post sleeves from RDI, you can give your porch or deck a much-needed refresher at a very minimal cost. These posts are in line with aesthetics that communicate elegance, charm, timelessness, and history. 

Made from sturdy vinyl, this sleeve can withstand all kinds of weather, including humidity, rain, snow, and extreme heat. 

Complete the look with our 4" Base Post Trim:

Simply the adjustable base trims to dress the bottom or top of your post

Complete the look with our 4” Post Caps:


What is the difference between post-sleeves and post-wraps?

There’s not a huge difference in aesthetic, rather how they are installed. Which you choose typically depends on the state of your existing posts. Post-sleeves are one piece, while post-wraps are made up of multiple pieces that clasp together. Post-wraps are the perfect solution if your existing posts don’t allow you space to slide a cover over the top of them. With their multiple points of detachment, the Durables post-wraps offer a lot of freedom to the consumer and allows them to avoid a costly replacement. Both post-wraps and post-sleeves offer a new and fresh look to an otherwise dated or worn railing system. 

4” x 4” x 48” Turned Newel Post Sleeve Installation Instructions: Mount our structural post kit and simply drop the turned post onto the structural post.

Any questions with installation, please call 1-877-265-2220

Whether you’re conducting a complete remodeling project or are planning on investing a single weekend afternoon on sprucing up your home, you’ll appreciate how easy this post sleeve is to install and maintain.

Warranty Information

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.

Transferable Limited Lifetime Warranty Vinyl Railing Who is covered: • The limited lifetime warranty covers single-family residential properties only. This limited warranty extends to the original purchaser and one (1) individual transferee as specified herein. • A twenty (20) year limited warranty covers any other type of building or property including those owned by corporations, governmental agencies, partnerships, trusts, religious organizations, schools, condominiums, homeowner associations, cooperative housing arrangements and apartment buildings. The warranty period will be twenty (20) years following the original date of Product purchase.

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