Surface Mount Structural Post for Trex Composite Railing

As low as $146.99 Price depends on product options. Make a selection to update price.

Free Shipping

Orders over $999 qualify. Details

Take Your Time, Get it Right

365 Day Returns and Exchanges

Create a sturdy foundation for your deck railing with Trex Composite Railing Post Mounts. Designed to be installed on both decks or concrete surfaces, the Trex Composite Railing Post Mount offers a more durable and stronger alternative than attaching a traditional wood post as a base. Crafted from aluminum, the Trex Surface Post Mount is weather and corrosion resistant to keep your deck railing securely in place no matter the elements. Ideal for use with any of the leading composite railing brands including Trex, TimberTech, Deckorators, and more; Trex Composite Railing Post Mounts can help you achieve the longest lasting outdoor project possible.

Trex Composite Railing Post Mounts are available for standard 36 inch railing heights and include the post mount, 2 guide blocks, and fastening hardware.
Mounting hardware is sold separately to accommodate the base material of your project.

More Information
DecksDirect # 7291

Post Mount Angle Wizard Installation Instructions (1.31 MB) 

Pack SizeEach
Material TypeAluminum

Post Size

Works for both 4-1/2 in or 5-1/2 in post sleeves
Post Height36 in or 42 in
Overall Dimensions
(width x height)
36 in: 3-1/2 in x 36 in
42 in: 3-1/2 in x 42 in
Package Contents(1) post mount, (2) guide blocks, (18) #8 15 x 1-1/4 in self tapping screws, and (2) 10 x 1 in self-tapping screws
WarrantyView Trex Warranty Information

Customers Also Viewed

Reviews & Questions