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Trex Select® Railing – 4″ x 4″ x 108″ Classic White Composite Post Sleeve

Each 4″ x 4″ post sleeve fits over a 4″ x 4″ pressure treated post or equivalent post mount.

Actual Dimensions

  • 4.45” x 4.45” x 108” (113 mm x 113 mm x 274 cm)

Streamlined and Simple

Trex’s affordable railing line offers an easy installation process that’s perfect for the DIYer. Select keeps things streamlined and simple by combining composite rails in Classic White and round aluminum balusters in Charcoal Black. Perfect for every deck, every budget.

High Performance

  • Won’t rot, warp or splinter
  • Never needs painting or staining
  • Installs easily and quickly with an external bracket system

Perennial Beauty

  • Mix and match our rails and balusters with Trex® post sleeves, post sleeve caps and post sleeve skirts in any of our seven colors
  • Create luxe outdoor living spaces to match your lifestyle

Trex Through and Through

  • Designed for the DIY homeowner
  • Contains a minimum of 40% recycled material
  • Backed by the Trex 25-Year Limited Residential Warranty

Trex Select is a 3-step process. Choose Trex post sleeves, caps and skirts (steps 1 & 2) and pair with a Select rail & baluster kit (step 3)

  • 1. Post Sleeve
  • 2a. Post Sleeve Cap
  • 2b. Post Sleeve Skirt
  • 3. Select Rail & Baluster Kit

Railing Brand


Railing Dimensions

4" x 4" x 108"

Railing Shade


Railing Product Line

Trex Select®

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