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4-in x 4-in Charcoal Black Composite Deck post base trim

Ratings & Reviews for Trex 4-in x 4-in Charcoal Black Composite Deck post base trim

4.3
332
Review
 4.3 out of 5
333 Reviews


82% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise these post sleeves for dramatically improving deck aesthetics, delivering a crisp, polished, professional finish that seamlessly integrates with composite systems. Most highlight excellent color matching and the straightforward snap-together design that allows easy installation by anyone. However, some report sizing confusion, noting the sleeves fit 4.5-inch posts rather than standard 4-inch posts, causing gaps or mismatches. A few mention the plastic construction feels lightweight but inexpensive, and some note visible seams. Despite these concerns, most customers consider the product worthwhile for its visual transformation and installation simplicity.

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

Trex - Great

Would Recommend

Trex post base trim is very simple to install and made of quality materials!

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Response from TrexSupport

We aim to have installation friendly product! We are so happy you chose us! ...</p

TrexSupportJuly 11, 2023

Trex

4-in x 4-in Classic White Composite Deck Post Base

Would Recommend

The product was easy to install and made the project complete. It gave a very nice accent to the project.

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Great product

Would Recommend

Perfect for the finishing touches of your composite deck project.

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Response from TrexSupport

Hello, We are so blown away by your kind review. It made our day here at Trex! We hope you continue to enjoy your new railing for many years to come!...

TrexSupportJuly 10, 2023

Trex

Ok.

Would Recommend

These look nice from far away but up close they appear to be cheaply made.

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Cheap plastic but because it's composite decking $

Would Not Recommend

Nothing special, but expensive. We expected more..

July 8, 2023
Verified PurchaserIncentivized
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Response from TrexSupport

Hello, we are extremely sorry to hear about this, and even more sorry to disappoint a customer. If you need assistance please reach out to our custom...

TrexSupportJuly 10, 2023

Trex

Easy to install

Would Recommend

Good quality & makes your post have a more finished look

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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...

TrexSupportJuly 10, 2023

Trex

Elevates the look

Necessary final touch to our brand new deck. Don’t sleep on getting these to complete the look

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post base

these are a two piece versus standard one piece. allows for after placement

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Nice trim addition

Would Recommend

Nice fishing touch around the bottom of the matching 4 x 4 post covers on our Trex deck!

July 6, 2023
From 4-in x 4-in Saddle Composite Deck post base trim Verified PurchaserIncentivized
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Response from TrexSupport

Hello Karen! We appreciate you taking the time out of your day to let us know how you feel about our product and sharing your experience with us. We ...

TrexSupportJuly 6, 2023

Trex

Simple snap together installation

Would Recommend

This base was durable and very easy to install. I liked that it came in two pieces and snapped together instead of one piece that slid down the post.

July 5, 2023
Verified PurchaserIncentivized
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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...

TrexSupportJuly 6, 2023

Trex

Nice post cover

Would Recommend

Easy to work with Can cut with miter saw or similar. Looks real nice

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Response from TrexSupport

Hi Mike! Thanks for giving us feedback on our product. We appreciate you taking time out of your day to do so. Thanks again!- Trex Customer Care Team...

TrexSupportJuly 5, 2023

Trex

Look great!

Would Recommend

Easy to install, no damage in delivery. Highly Recommend

July 4, 2023
Verified PurchaserIncentivized
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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...

TrexSupportJuly 5, 2023

Trex

It enhanced the look of my deck and made it look m

Would Recommend

Enhanced the look and make it look much better than without it no seem

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