Trex Transcend® Railing

Discover the versatility of Trex Transcend railing. Mix and match composite rails with composite or aluminum balusters to create a traditional custom look just right for your outdoor space.

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$$$$$

Limited Residential
Warranty

Transcend® Composite Railing

A timeless look that you can tailor to your needs, made from high-quality composite.

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Color: Charcoal Black

Transcend Spiced Rum Decking with Rope Swing Round Baluster Railing

Discover Why Trex Railing is the Best Choice for Deck Railing

Designs for Every Style

From sleek modern to timeless classic, we're here to make your outdoor space uniquely yours.

Easy-to-Use Tools

Trex’s design tools let you plan, price, and explore railing styles from home—quick and easy.

Installation Made Simple

With step-by-step guides and Trex Academy resources, we’ve got everything you need to DIY.

Peace of Mind

With Trex railings, skip the painting and staining—just enjoy lasting beauty with 15–50 year warranties.

Personalize Your Look

Choose from curved railings, cocktail rails, lighting, or ADA options to make your space just right for you.

Your Project, Our Priority

Our Customer Care Team is here to support you every step of the way throughout your deck project.

Railing Anatomy

Click on the hot spots below to explore the core components of a railing system.

Post Sleeve

A post sleeve is a durable covering designed to protect your railing posts and enhance your deck's style. Available in composite 4x4 or 6x6 sizes and a variety of colors, it pairs perfectly for a low-maintenance, long-lasting finish. Alternatively, you can use an aluminum 4x4 post sleeve an aluminum post for a sleek and sturdy design.

Post Cap

A post cap adds the finishing touch to your deck posts, offering both protection and style. Choose our traditional post cap or upgrade to a lighted post cap for added ambiance and visibility—perfect for elevating your railing with elegance and functionality.

Post Skirt

A post skirt conceals gaps around the base of deck posts, providing a more finished look. Select our durable, easy-to-install post skirts to eliminate unsightly gaps, enhance the look of your railing, and protect against moisture.

Balusters

Balusters provide support and style to your railing. Choose square composite for a classic look or round aluminum for modern flair. Both options offer strength and low maintenance, ensuring your railing is both beautiful and durable.

Top Rail

The top rail is the uppermost piece of the railing, offering grip and stability. Opt for our smooth, durable crown top rail for a comfortable handhold or upgrade to a cocktail rail for a stylish and convenient ledge for drinks.

Bottom Rail

A bottom rail provides foundational support to your railing structure. Engineered for durability, it complements your top rail, ensuring your composite railing system is robust and secure.

Posts & Post Components
Rails, Balusters & Infills
Accessory Kits

1. 4” Post Sleeve

Hollow sleeve that fits over a solid, pressure-treated post or post mount.

Fits over 4”x4” Pressure-Treated Post.

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)

1. 6" Post Sleeve

Hollow sleeve that fits over a solid, pressure-treated post or post mount.

Fits over 4”x4” Pressure-Treated Post.

6"x6" width only available in Classic White.

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)

2A. Flat Post Sleeve Cap

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)

2B. Post Sleeve Skirt

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).

3. Rail & Baluster Kit - Composite

Includes: Crown Top Rail, Universal Bottom Rail, Square Balusters, Baluster Spacers, Adjustable Foot Block and Mounting Hardware

6’ x 36” Rail & Baluster Kit - Composite:
Horizontal – available in Classic White, Charcoal Black and Vintage Lantern
Stair – available in Classic White

8’ x 36” Rail & Baluster Kit - Composite:
Horizontal and Stair – available in Classic White, Charcoal Black and Vintage Lantern

Actual dimensions: 6’ Rail: 67.5 in x 36 in (171 cm x 914 mm); 8’ Rail: 91.5 in x 36 in (232 cm x 914 mm)

3. Rail & Baluster Kit - Aluminum

Includes: Crown Top Rail, Universal Bottom Rail, Round Aluminum Balusters, Baluster Spacers, Adjustable Foot Block and Mounting Hardware

6’ x 36” Rail & Baluster Kit - Aluminum:
Horizontal and Stair – available in Classic White, Charcoal Black and Vintage Lantern

8’ x 36” Rail & Baluster Kit - Aluminum:
Horizontal and Stair – available in Classic White, Charcoal Black and Vintage Lantern

Actual dimensions: 6’ Rail: 67.5 in x 36 in (171 cm x 914 mm); 8’ Rail: 91.5 in x 36 in (232 cm x 914 mm)

3A. Crown Top Rail

Horizontal rail attached to the top of the balusters and the posts.

Actual Length
Horizontal and Stair – available in Classic White, Charcoal Black and Vintage Lantern

6’ Rail: 67.5” (171 cm)
8’ Rail: 91.5” (232 cm)

3A/3B. Transcend Universal Top/Bottom Rail

Horizontal rail attached to both the top and bottom of the balusters and the posts; the top rail portion serves as base for the installation of a deck board that acts as a cocktail rail.

Actual Length
6’ Rail:67.5” (171 cm)
8’ Rail:91.5” (232 cm)

4. Round Aluminum Baluster

20 per pack
Vertical rungs–sometimes called spindles–that fill the space between posts.

Actual Dimensions
36” Rail Height: .75” x 30.25” (19 mm x 768 mm)
42” Rail Height: .75” x 36.25” (19 mm x 920 mm)

4. Square Baluster

16 per pack
Vertical rungs–sometimes called spindles–that fill the space between posts.

Actual Dimensions
36” Rail Height: 1.418” x 1.418” x 30.375” (36 mm x 36 mm x 771 mm)
42” Rail Height: 1.418” x 1.418” x 36.375” (36 mm x 36 mm x 923 mm)

6. Glass Panel Accessory Kit

Glass panel mounting hardware; glass panel not included.

6’ Rail: 67.5” (171 cm)

5. Accessory Infill Kit

Available in 6’ and 8’ lengths for square, colonial and round balusters; horizontal and stair applications.

Includes: 2 Baluster Spacers, Adjustable Foot Block, Mounting Hardware

Actual Lengths
6’ Rail: 67.5” (171 cm); 8’ Rail: 91.5” (232 cm)

Mounting Hardware for Cut Rails—Horizontal

Contains:
Qty (2) Crown Top Rail Gaskets—Horizontal
Qty (4) Universal Top/Bottom Rail Gaskets—Horizontal
Qty (4) RSB Rail Brackets
Qty (8) Rail to Bracket Fasteners—Horizontal
Qty (8) Rail to Post Fasteners
Qty (4) Screw Tip Covers

Mounting Hardware for Cut Rails—Stair

Contains:
Qty (1) Crown Top 1 Rail Gaskets—Stair
Qty (1) Crown Top 2 Rail Gaskets—Stair
Qty (2) Universal Top/Bottom 1 Rail Gaskets—Stair
Qty (2) Universal Top/Bottom 2 Rail Gaskets—Stair
Qty (8) RSB Rail Brackets
Qty (8) Rail to Bracket Fasteners— Stair
Qty (8) Rail to Post Fasteners
Qty (4) Screw Tip Covers

RSB Bracket Pack—Horizontal

Qty (4) RSB Rail Brackets
Qty (8) Rail to Bracket Fasteners—Horizontal
Qty (8) Rail to Post Fasteners

RSB Bracket Pack—Stair

Qty (8) RSB Rail Brackets
Qty (8) Rail to Bracket Fasteners—Stair
Qty (8) Rail to Post Fasteners

0 Degree Rail Gasket Pack—Horizontal

Qty (2) Crown Top Rail Gaskets—Horizontal
Qty (4) Universal Top/Bottom Rail Gaskets—Horizontal

Not sure where to start?
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Cost Calculator

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Railing Guide

Your guide to everything railing

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Whether you’re after safety, utility, or pure aesthetics, this helpful guide and these inspirational photos will provide you the knowledge-based confidence to help you choose the best railing for your dock.

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Trex Transcend® Lineage® Decking

Reflects the sun and your sense of style. Transcend Lineage® is engineered to keep your deck cooler, even on the hottest days.*

Take a Closer Look

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*Trex decking with heat mitigating technology can still get hot to the touch when direct sunlight and high temperatures converge for extended periods of time. We therefore recommend shoes, socks, and pet booties, so that you and yours can enjoy living on your deck as much as we’ve enjoyed innovating it.

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Trex Transcend® Railing

Discover Why Trex Railing is the Best Choice for Deck Railing

Railing Anatomy

Post Sleeve

Post Cap

Post Skirt

Balusters

Top Rail

Bottom Rail

Posts & Post Components

Rails, Balusters & Infills

Accessory Kits

1. 4” Post Sleeve

1. 6" Post Sleeve

2A. Flat Post Sleeve Cap

2B. Post Sleeve Skirt

Not sure where to start? Check out our planning tools and resources

Cost Calculator

Get a quick material cost estimate

Railing Guide

Your guide to everything railing

Compare Railing

Compare options side-by-side

17 Deck Steps Ideas

15 Modern Deck Railing Ideas and Designs

Benefits of Composite Deck Railing

5 Dock Railing Ideas

See Similar Looks

Select® Classic Railing

Explore this Look

Signature® Aluminum Railing

Explore this Look

Select® T-Rail

Explore this Look

Enhance® Composite Railing

Explore this Look

Trex Transcend® Lineage® Decking

@TREXCOMPANY

Seen on Social

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