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 colours. 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
Transcend® Railing
  • Same rich colour palette for both monochromatic and complementary designs
  • An all-high-performance composite design along the length of the railing

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 colours of our Transcend railing line.

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” (113 mm x 113 mm x 1016 mm)
  • 4.45” x 4.45” x 108” (113 mm x 113 mm x 2743 mm)

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” (113 mm x 113 mm x 991 mm)
  • 5.5” x 5.5” x 108” (113 mm x 113 mm x 2743 mm)

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 internal dimensions
  • 4” x 4”: 4.55” x 4.55” (114 mm x 114 mm)
  • 6” x 6”: 5.6” x 5.6” (142 mm x 142 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 internal dimensions
  • 4” x 4”: 4.55” x 4.55” (114 mm x 114 mm)
  • 6” x 6”: 5.6” x 5.6” (142 mm x 142 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 internal dimensions
  • 4” x 4”: 4.55” x 4.55” (114 mm x 114 mm)
  • 6” x 6”: 5.6” x 5.6” (142 mm x 142 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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