The simple choice for your outdoor space.
The ideal blend of composite performance and vinyl affordability.
A simplistic style that can complement any outdoor space at an affordable price.
A classic look for your outdoor space, with the added strength of secure steel infill.
From sleek modern to timeless classic, we're here to make your outdoor space uniquely yours.
Trex’s design tools let you plan, price, and explore railing styles from home—quick and easy.
With step-by-step guides and Trex Academy resources, we’ve got everything you need to DIY.
With Trex railings, skip the painting and staining—just enjoy lasting beauty with 15–50 year warranties.
Choose from curved railings, cocktail rails, lighting, or ADA options to make your space just right for you.
Our Customer Care Team is here to support you every step of the way throughout your deck project.
Click on the hot spots below to explore the core components of a railing system.
A post sleeve slides over your wood post, protecting it from the elements. Choose our durable composite option for ease of installation and long-lasting beauty.
Top off your railing with a post cap. Our caps provide a polished finish and add durability, protecting against weather and wear.
A post skirt adds a finishing touch at the base of your post. Designed for elegance and protection, it hides unsightly gaps and enhances your railing's look. Opt for our skirts for seamless integration and aesthetic appeal.
The top rail is the uppermost part of the railing system, providing support to the balusters and a secure grip for users. Choose our classic design for a timeless look or upgrade to the composite "T-top" rail for enhanced grip and comfort, blending functionality with style to elevate your space.
The simple, sturdy bottom rail is the backbone of your railing system. Our bottom rails provide essential support and stability, ensuring long-lasting performance.
A pre-assembled railing panel is a railing kit that comes with balusters or an infill option already installed on the top and bottom rails, simplifying your railing installation process.
Ensures your rail's safety and sturdiness. Available in pre-assembled panels for compatible rails, for a hassle-free installation.
Vertical supports that secure rails in place. Durable, stylish options for modern or traditional designs with lasting safety and beauty.
Use for simplified, pre-designed rail applications.
View our Railing Guide to learn more.
Use for simplified, pre-designed rail applications.
View our Railing Guide to learn more.
Use for simplified, pre-designed rail applications.
View our Railing Guide to learn more.
Use for simplified, pre-designed rail applications.
View our Railing Guide to learn more.
Choose the all-in-one composite post sleeve kit in classic white to create a clean, classic smooth finish over your structural post.
Kit Includes:
1 composite post sleeve, 1 composite post cap, 1 composite post skirt in Classic White
Post Sleeve Kits are compatible with Trex Select Composite Railings only.
*Railing kits and brackets sold separately.
Each 4” x 4” and 6" x 6" post sleeve fits over a 4" x 4" pressure treated post or equivalent post mount.
6" Available in Classic White only.
4” X 4” X 39”/108” Actual External Dimension:
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)
6” X 6” X 39”/108” Actual External Dimensions:
5.5” x 5.5” x 39” (139 mm x 139 mm x 990 mm)
5.5” x 5.5” x 108” (139 mm x 139 mm x 274 cm)
12 per box. Cap topping each post is the decorative finish that also withstands the weather.
6” Available in Classic White only.
Actual External Dimensions:
4” x 4”: 4.55” x 4.55” (115 mm x 115 mm)
6” x 6”: 5.55” x 5.55 ” (140mm x 140mm)
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.
Actual External Dimensions:
4” x 4”: 4.55” x 4.55” (115 mm x 115 mm)
6” x 6”: 5.55” x 5.55” (140mm x 140mm)
*6" post sleeve skirts exclusively available in Classic White and are offered as a single piece (not pictured).
Includes top rail, bottom rail, round aluminum balusters, adjustable foot block, hardware pack.
Dimensions
6’ x 36” Classic Rail & Baluster Kit
8’ x 36” Classic Rail & Baluster Kit
6’ x 42” Classic Rail & Baluster Kit
8’ x 42” Classic Rail & Baluster Kit
*Actual lengths: 6’ Rail: 72” (171 mm); 8’ Rail: 96” (232 mm)
Includes top rail, bottom rail, round aluminum balusters, adjustable foot block, hardware pack.
Dimensions
6’ x 36” Classic Rail & Baluster Kit
8’ x 36” Classic Rail & Baluster Kit
6’ x 42” Classic Rail & Baluster Kit
8’ x 42” Classic Rail & Baluster Kit
*Actual lengths: 6’ Rail: 72” (171 mm); 8’ Rail: 96” (232 mm)
Includes top rail, bottom rail, square composite balusters, adjustable foot block, hardware pack.
Dimensions
6’ x 36” Classic Rail & Baluster Kit
8’ x 36” Classic Rail & Baluster Kit
6’ x 42” Classic Rail & Baluster Kit
8’ x 42” Classic Rail & Baluster Kit
*Actual lengths: 6’ Rail: 72” (171 mm); 8’ Rail: 96” (232 mm)
Available in BK.
Mesh infill sold separately.
Dimensions
6’ x 36” Mesh Rail Kit - Horizontal
6’ x 36” Mesh Rail Kit - Stair
8’ x 36” Mesh Rail Kit - Horizontal
8’ x 36” Mesh Rail Kit - Stair
6’ x 42” Mesh Rail Kit - Horizontal
6’ x 42” Mesh Rail Kit - Stair
8’ x 42” Mesh Rail Kit - Horizontal
8’ x 42” Mesh Rail Kit - Stair
*Actual lengths: 6’ Rail: 72” (171 mm); 8’ Rail: 96” (232 mm)
Contains:
Qty (8) Bracket to Post Fasteners
Qty (12) Bracket to Rail Fasteners
Qty (4) Railing Brackets
Contains:
(8) Bracket to Post Fasteners
(12) Bracket to Rail Fasteners
(4) Railing Brackets
(4) Railing Bracket Stair Adapters
Used to strengthen and stabilize the 8' rail. IRC-compliant applications only. Compatible with top T-rail only.
Contains:
(1) Aluminum Rail Stiffener
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Looking for inspiration to illuminate your deck? Create the perfect ambiance for lounging on your deck on a warm summer night with our head-to-toe suite of deck lighting. From stair riser lights to post cap lights, add the perfect touch to make your deck come to life. Browse through our collection of breathtaking lighting ideas for your deck.
Discover contemporary, versatile grey decking boards from Trex. Get inspiration for your grey deck build from our photo gallery.
"My family and I enjoy spending our weekend evenings on the deck. It’s a great space to take in the sunset, listen to music, and relax after a long week. It gives us a dedicated space for our cherished family time," shares Trex homeowner, Ashley. Scroll to see the charming outdoor space she built with her friend, Charlee of Build & Create Home, using the Trex “Deck in a Box” Kit.
A deck railing is the perfect addition to your composite deck. Learn how to choose a deck railing system with advice and considerations from Trex.
The best decks start with the best deck ideas. Find inspiration for decks -- both big and small -- by browsing through our collection of gorgeous design ideas. Looking for a minimalist style deck? Or plan to go big and incorporate a fire pit into your decking design? Is a traditional horizontal deck flooring pattern your favorite? Or do you prefer the look of a herringbone pattern to create more visual interest? Find unexpected color combos, ideas for decks with a pergola or other unique features here.
Check out these additional railing options from Trex to help you find the best fit for your space
Select decking is the perfect pairing of price and minimal maintenance.
See what homeowners are saying about Trex on social
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