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Timbertech Post Sleeve

Step 1 | Radiance Post Cover from Timbertech

Radiance Post Cover

Finish off your Timbertech deck railing right with the 5"x 5" Radiance Post Sleeve. The Timbertech Radiance Post Sleeve is made to fit the Timbertech Radiance Series Railing Systems. Radiance Rail composite railing colors match or complement Timbertech decking, and even look great with any composite decking. Available in Matte White or Black. Post Caps and Post Skirts sold separately.

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Free Shipping Available

On any combination of select items over $599

Excluding Alaska and Hawaii. Conditions Apply

  • Minimum Order Tier: $599
  • Note: Free shipping only applies to combined product totals of the same Minimum Order Tier. Learn More
  • 5"x 5" Post Cover available in 42" and 12' lengths
  • Black.
  • 25 Year Limited Warranty
  • 12' Must be cut to ship, 12' full length only available by freight service, call for details. Additional shipping cost will apply.
  • Cut Post Sleeves are NON-RETURNABLE.
Package Quantity Single Timbertech Radiance Post Sleeve
Manufacturer Timbertech
Manufacturer Link
Installation Help
Dimensions For 4x4 posts [3-1/2" x 3-1/2"] (external dimensions 5x5) 12' Must be cut to ship
Color Black, Matte White
CA Proposition 65 Warning

Timbertech Decking


TimberTech products help create a more sustainable world – one piece at a time.

Timbertech decking has the products at prices that will lower your entire outdoor deck project cost. The full line of Timbertech decking products are available at The Deck Store Online. We are decking experts, if you have a question about decking products that you are purchasing from us contact us and we'll get you the right answer the first time. Have idea's of a product that we should carry? Let us know, We're here to make your job easier.

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