Free Shipping

No minimum purchase required.

Worry-free Returns

365 day return policy


Key Features

  • Cap off your Trex Transcend railing in style with a matching Flat Top Post Cap
  • Made from durable, weather-resistant composite material
  • Easy to install with just a small line of silicone adhesive
  • Perfect color and finish match for Trex Transcend railing

Color Options

Charcoal Black, Classic White, Gravel Path, Rope Swing, Tree House, Vintage Lantern

Perfectly Sized For Trex Transcend Posts

These post caps will fit perfectly on top of the 4-1/2-inch or 5-1/2-inch posts in the Trex Transcend railing line. Just choose a post cap with an opening size slightly larger than your post width:

How to choose the right size

Check out our Post Cap Diagram. Choose a post cap with an opening size slightly larger than your posts or post sleeves.


DecksDirect # 6238

Trex Transcend Horizontal Railing Installation Instructions (1.76 MB) 

Trex Transcend Stair Railing Installation Instructions (1.55 MB) 

Trex Warranty (73.5 KB) 


Charcoal Black, Classic White, Gravel Path, Tree House, Vintage Lantern, and Rope Swing

Actual Post Cap Opening Size4-9/16 in, 5-9/16 in
Pack SizeEach
Material TypeResin
(width x depth x height)
4-9/16 in: 6 in x 6 in x 2-1/4 in
5-9/16 in: 7-1/2 in x 7-1/2 in x 2-3/8 in
Inset Measurement1-1/2 in
Included AccessoriesNone
WarrantyView Trex Warranty Information
Post Sleeve for Trex Transcend Railing
Starting at: $50.99
Post Skirt For Trex Transcend Railing - White
Starting at: $9.99
Ornamental Low Voltage LED Post Cap Light for Trex Post Sleeves by LMT Mercer Group
Starting at: $45.99
 LED Flat Post Cap Light by Trex Deck Lighting
Starting at: $109.99

Reviews & Questions