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6-in x 6-in Classic White Composite Deck post base trim

Ratings & Reviews for Trex 6-in x 6-in Classic White Composite Deck post base trim

4.3
326
Review
 4.3 out of 5
326 Reviews


82% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this product for delivering a polished, professional finish that elevates deck aesthetics and hides post-to-decking junctions. The snap-together design earns consistent praise for straightforward installation, even on existing decks. Most highlight the color match as clean and crisp. However, some report sizing confusion, noting the product fits 4.5x4.5 posts rather than standard 4x4 posts as marketed. A few mention visible seams and thin plastic construction. Despite these concerns, the majority consider it essential for completing a finished deck appearance.

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

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.

October 10, 2023
Verified PurchaserIncentivized
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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
From 4-in x 4-in Classic White 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 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

Easy to use

Would Recommend

Covers any cuts that aren’t even or screws. Great finishing touch.

August 2, 2023
From 4-in x 4-in Classic White Composite Deck post base trim Verified PurchaserIncentivized
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