A luxurious starting point

Trex® post sleeves, post sleeve caps and post sleeve skirts are the hub of all our railing lines and are available in our seven Transcend® railing colors. Meaning you can pair these universal components with components from every other Trex railing line for countless ways to achieve your unique vision. All high-performance. All low maintenance. Any which way you like.

Trex composite decking can be curved to create customized benches for plenty of seating
Works with Transcend® Railing
  • Same rich color palette for both monochromatic and complementary designs
  • An all-high-performance composite design along the length of the railing
Works with Reveal® Railing
  • The traditional warmth of composite meets the cool, contemporary feel of aluminum
  • Creates a deck railing of uncompromising strength and durability
Works with Select® Railing
  • The perfect way to mix affordable white with richer, deeper decking colors
  • Matching durability and performance

Trex Post Components

Trex post sleeves, post sleeve caps and post sleeve skirts are the starting points of our railing lines. Available in Classic White and Charcoal Black, plus the five colors of our Transcend railing line.

trex post components diagram

Profiles

A profile of Trex railing post sleeve in Tree House
1. 4” Post Sleeve
4” x 4” x 39”/108”

Actual external dimensions
  • 4.45” x 4.45” x 40” (113mm x 113mm x 101 cm)
  • 4.45” x 4.45” x 108” (113mm x 113mm x 274 cm)

Fits over 4”x4” Pressure-Treated Post

A profile of Trex railing post sleeve in Tree House
1. 6” Post Sleeve
6” x 6” x 39”/108”

Actual external dimensions
  • 5.5” x 5.5” x 39” (139mm x 139 mm x 990 mm)
  • 5.5” x 5.5” x 108” (139 mm x 139 mm x 274 cm)

Fits over 4”x4” Pressure-Treated Post

Available in Classic White only.

A profile of Trex railing flat post cap in Classic White as shown in the Cabin Collection
2a. Flat Post Sleeve Cap
Actual external dimensions
  • 4” x 4”: 4.55” x 4.55” (115 mm x 115 mm)
  • 6” x 6”: 5.55” x 5.55” (140 mm x 140 mm)

12 per box. Cap topping each post is the decorative finish that also withstands the weather.

6” Available in Classic White only.

Trex DeckLighting pyramid post cap light in Classic White
2a. Pyramid Post Sleeve Cap
Actual external dimensions
  • 4” x 4”: 4.55” x 4.55” (115 mm x 115 mm)
  • 6” x 6”: 5.55” x 5.55” (140 mm x 140 mm)

12 per box. Cap topping each post is the decorative finish that also withstands the weather.

6” Available in Classic White only.

A profile of Trex railing post sleeve skirt in Classic White as shown in the Cabin Collection
2b. Post Sleeve Skirt
Actual external dimensions
  • 4” x 4”: 4.55” x 4.55” (115 mm x 115 mm)
  • 6” x 6”: 5.55” x 5.55” (140 mm x 140 mm)

12 per box. Finishing piece at the base of the post that covers any cuts where the decking and railing meet. Usually coordinates with the cap.

6” Available in Classic White only.

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