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Timbertech Radiance Post Cap

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Step 1a | Radiance Post Cap from Timbertech

RadianceRail Post Cap

TimberTech railing solutions complement any outdoor living space. With an array of accessory choices, you can build the ultimate deck.

Post cover cap made to fit the 5x5 Timbertech® RadianceRail Post Sleeve. Available in black or white. Lighted Cap Modules and Post Cover sold separately.

Check out these cost saving options!:

The Universal Flat Post Cap and Universal Pyramid Post Cap.

Need help picking out the right size cap? Use our "Post Cap Size Guide"

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Free Shipping Available

On any combination of select items over $199

Excluding Alaska and Hawaii. Conditions Apply

  • Minimum Order Tier: $199
  • Note: Free shipping only applies to combined product totals of the same Minimum Order Tier. Learn More

Priority Shipping Available

Ships to Alaska, Hawaii, and many US Territories.

ARE YOU ORDERING THE CORRECT SIZE POST CAP? We list the opening size of the post cap. The size you select should measure equal to or slightly larger than your post in order to slide into place over the post. Example a 6x6 post may actually be a 5.5" x 5.5" post. Please contact us if you’re unsure which size you’ll need

Mix and match the RadianceRail Post Caps with the Timbertech LED DeckLites Post Cap Light Module for a modern look.

Package Quantity Single Timbertech RadianceRail Post Cap
Manufacturer Timbertech
Manufacturer Link
Installation Help
Dimensions Fits TimberTech Radiance 5x5 Posts | Outside Dimensions 7-1/4" x 7-1/4" x 2-1/4"
Color Black, Matte White

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.

Browse Timbertech's Decking Collections

Legacy Collection | Reserve Collection | Terrain Collection | Edge Collection

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