TimberTech Composite Post Sleeve
Select an option for stock status and time to ship


All post sleeve sizes cover a nominal 4x4 wood post or Secure Mount Post

Use with TimberTech Post Skirt and Post Cap (sold separately)

Requires no painting, staining or sealing

Resists mildew and mold

Choose option depending on a modest or grand looking post

Post sleeve size: 4" x 4" recommended for RadianceRail Express

Post sleeve size: 5" x 5" or larger recommended for RadianceRail

Post sleeve size: 5-1/2" x 5-1/2" recommended for Premier Rail, Trademark Rail, and Drink Rail


TimberTech Composite Post Sleeves cover a 4x4 wood post or secure mount post that supports the TimberTech Railing System. No visible hardware. Top with a coordinating post cap and skirt to have a complete high-end look of TimberTech's composite series railings, Homeowners can mix and match differing post and rail colors and add a deck lighting system for a truly upscale look that reflects their unique styles.


Manufacturer TimberTech
Brand TimberTech
Application Post Cover
Can Be Cut to Length Yes
Compatible Materials TimberTech Post Caps, Skirts, and Railing Systems
Compatible Post (Inches) 4 x 4
Compatible Railing System TimberTech Premier Rail, RadianceRail, RadianceRail Express, Trademark Rail, and Drink Rail
Installation Tools Required Miter Saw, Tape Measure
Material Composite
Package Quantity 1
Warranty 25-Year Limited Residential

Weights and Dimensions

Post Size (Inches) 4 x 4

Info & Guides

Reviews & Q&A

Want to learn more? Read product reviews and questions and answers about this product from other customer just like yourself. Have a question? Just click the 'Ask a Question' button and let us know. We'll review your question and post the answer here.

Similar Products

Simply attach the TimberTech LED Post Light Module to your TimberTech RadianceRail post cap via the included screws for a dazzling look both day and night.
Highlight your deck posts and railing with the TimberTech Accent LED Rail Light, shown in White.
from $65.99
RadianceRail Express Hardware Mounting Kit - Level - Black
from $25.99
General Purpose Structural Post with Angle Adjustment
RadianceRail Express Baluster Pack - Kona
from $103.99
Post Sleeve for Trex Transcend Railing
from $33.99
RadianceRail Post Cover by TimberTech
from $99.99
Post Sleeve for Premier Rail by AZEK -White finish
from $86.99