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4-in x 4-in Classic White Composite Deck post base trim

Ratings & Reviews for Trex 4-in x 4-in Classic White Composite Deck post base trim

4.3
330
Review
 4.3 out of 5
331 Reviews


82% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise these post sleeves for delivering a professional, high-end aesthetic that transforms deck appearance with a crisp, polished finish. Most highlight the seamless integration with railing systems and flawless color matching. Many appreciate the updated two-piece snap-together design, noting it's intuitive and easier to install than expected, with tight seams barely noticeable once assembled. However, some report sizing confusion, as the product fits 4.5-inch posts rather than standard 4-inch sizes, causing gaps on older systems. Despite minor material quality concerns from a few reviewers, most find the product fulfills its purpose effectively.

Customer review summary generated by AI, including incentivized reviews.
331 Customer Reviews

new snap together design post base trim

Would Recommend

easy replacement

May 29, 2024
From 4-in x 4-in Classic White Composite Deck post base trim Verified Purchaser
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Response from TrexSupport

Thank you for the great review! We are so happy that this was an easy replacement for you! Read More

TrexSupportMay 30, 2024

Trex

Easy to work with. Can be cut to size you need

Would Recommend

Product looks great

February 11, 2024
From 4-in x 4-in Charcoal Black Composite Deck post base trim Verified Purchaser
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Response from TrexSupport

Hello, and thank you for your 5 star review. We really appreciate you taking the time to share your experience with us as well. We count ourselves lu...

TrexSupportFebruary 12, 2024

Trex

Good trim for 4x4 nylon post

Would Recommend

Came already painted - ready to install. Easy to use and weathers well.

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Response from TrexSupport

Hello, and thank you for your review. We work hard to meet customer expectations, and we’re happy to hear we hit the mark for you! Thanks, - Trex Cus...

TrexSupportOctober 11, 2023

Trex

Confusing dimensions

Would Not Recommend

Dimensions are confusing. Even though, it’s for a 4x4 post, it’s way too big for one. I wish they’d update their labels so it’s accurate. But lumber is confusing too, since a 4x4 is actually 3.5x3.5.

September 27, 2023
From 4-in x 4-in Charcoal Black Composite Deck post base trim Verified Purchaser
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Response from TrexSupport

Hello Cathy, sorry for your experience. Please give us a call at 1.800.289.8739 as we could possibly discuss some solutions on how to make the post s...

TrexSupportSeptember 28, 2023

Trex

Good product

Would Recommend

Excellent design and execution

August 19, 2023
Verified Purchaser
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Response from TrexSupport

Hello, and thank you for your 5-star review. We really appreciate you taking the time to share your experience with us as well. We look forward to be...

TrexSupportAugust 21, 2023

Trex

Allow extra space if put around post next to build

Would Recommend

The black skirts and caps compliment the brown posts and railings

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Response from TrexSupport

Hello, and thank you for being a Trex customer. We appreciate you taking the time to leave us a review. We hope you enjoy your new railing for many y...

TrexSupportAugust 3, 2023

Trex