Trex flat top post cap for 6x6 composite post sleeve in Classic White shown on white background at angle.

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Trex Flat 6x6 Composite Flat Post Sleeve Cap

Brand: Trex
SKU:
WH66FPC
|
UPC:
652835042931

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$19.49
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Description

The top of your post is the first thing people see. This Trex® Flat Top Post Cap drops right onto your 6×6 composite post sleeve and seals it off cleanly, protecting the top of the post while giving the whole railing system a finished, intentional look.

Made from Trex composite material, it holds up outdoors without any upkeep. No painting, no staining, no cracking, no rot. It also pairs with Trex LED Flat Post Cap Lights if you want to run lighting along the railing and keep the deck usable after dark.

Works with every Trex Deck Railing line: Transcend, Select, Enhance, and Signature. Only available in Classic White.

  • Fits Trex 6x6 composite post sleeves
  • Compatible with all Trex Deck Railing lines
  • Composite construction: no rot, warping, or splintering
  • Zero maintenance required - no painting or staining, ever
  • Classic White, fade-resistant finish

A simple finishing piece that makes a real difference to how the whole railing looks.

Warranty

For full details, visit warranty information page.

Product Specifications

Material:
High-Performance Composite
Color:
Classic White
Fit:
6x6 Composite Post Sleeves
Compatible Systems:
All Trex Deck Railing lines (Transcend, Select, Enhance, Signature)
Package:
1 Piece

Trex® Resources

Everything you need to buy with confidence, build with ease, and maintain with minimal effort.

Trex products are backed by some of the strongest warranties in the industry. Download or view the relevant warranty document for your product below.

Step-by-step installation guides to help you build your dream deck the right way — written by our team of decking experts.

One of the biggest benefits of Trex composite decking is how easy it is to maintain. Find our complete care guides below.

For over 30 years, Trex has been the #1 name in composite decking — and for good reason.

  • #1 Selling Composite Decking Brand Trex outsells all other composite and PVC decking brands combined. Millions of homeowners trust Trex for their outdoor spaces.
  • 95% Recycled Materials Every Trex board is made from 95% recycled wood and plastic film — keeping over 800 million pounds of material out of landfills every year.
  • Low Maintenance, High Performance No painting, staining, or sealing — ever. Trex resists fading, staining, scratching, and mold so you spend more time enjoying your deck and less time working on it.
  • Industry-Leading Warranties Backed by warranties up to 50 years, Trex products are built to outlast the competition and protect your investment for decades.
  • Complete Outdoor System From decking and railing to lighting, fasteners, and furniture — Trex offers a complete, coordinated outdoor living system designed to work together beautifully.