
Ratings & Reviews for Trex 4-in x 4-in Charcoal Black Composite Deck post base trim
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise these post sleeves for their clean, professional appearance and seamless integration with composite railing systems. Most find installation straightforward with the snap-together two-piece design, and many highlight how effectively they conceal gaps between posts and decking. However, some report the plastic feels thin and lightweight, and several encountered sizing confusion between four-point-five and four-inch post dimensions. Despite these concerns, the vast majority consider them highly effective at finishing deck aesthetics.
Customer review summary generated by AI, including incentivized reviews.post cover
Would RecommendI like how it snaps together so that you don't have to take the rails apart to slide it over the top of the post.
From 4-in x 4-in Classic White Composite Deck post base trim Verified Purchaser
Don't love the two piece design
Would Not RecommendThere are better options available at Lowes. I prefer the veranda
Great option to replace old post skirts
Would RecommendFinally, Trex has started making their post skirts in two pieces that snap together! (And hey Lowes, would be nice if you'd update your online description to mention this!) I bought these to replace the rotting, crumbling original composite one-piece skirts on my 15-year-old Trex deck. They snap together quite tightly (takes a little effort and just the right alignment) and look perfect. Note also that they are just about a quarter inch narrower around the bottom than my original sleeves, so the...
From 4-in x 4-in Charcoal Black Composite Deck post base trim Verified Purchaser
Hi Laurie. Thank you so much for your 5-star review! We’re grateful for your feedback and appreciate you sharing your experience. Kindly, Brandi - Tr...

Hi Laurie. Thank you so much for your 5-star review! We’re grateful for your feedback and appreciate you sharing your experience. Kindly, Brandi - Tr...

Basic sleeve
Looks good, nothing special about this priduct
Hi Lana. Clean look 👍 Sometimes keeping it simple is exactly what the space calls for 💚Brandi -Trex Customer Care
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Hi Lana. Clean look 👍 Sometimes keeping it simple is exactly what the space calls for 💚Brandi -Trex Customer Care
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Oversized
Would Recommendwent together easily but is oversized for 4 X 4 posts
From 4-in x 4-in Classic White Composite Deck post base trim Verified Purchaser
Hello, thank you for your feedback. In our literature we provide the actual external dimension of this base trim as 4.55x4.55in, which will fit over ...

Great design
Love the design, much better than the previous design, this design allows you to separate the saddle in two for easy removal if you ever need to relevel your post
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...

2 piece snap together not one piece
Would Not RecommendDescription states slides over post and pictures show one piece. It came in 2 pieces that snap together and leave unsightly seams
Hello, we’re so sorry to hear about your experience with our product. We aim to offer 100% customer satisfaction to all of our customers and would li...

Go to the Pro Desk if you have questions.
Would RecommendEasily installed and maintenance free
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...

I’m very happy with this it will make my deck look
Would Not Recommend
Love hearing that Junior 🙌 That finishing touch is about to pull it all together 😍💚 Brandi -Trex
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Base trim
Would RecommendThis base trim is the perfect accent piece to finish off my deck posts!
Hello Robert,
That’s wonderful to hear. The base trim really does bring everything together, and we’re glad it added the perfect finishing touch...

Misleading size
Would Not RecommendDoes not fit 4x4 post—too large
Hello,
I’m sorry to hear the fit wasn’t what you expected. I understand how frustrating that can be, especially when you’re trying to keep your ...

Hello, we sincerely apologize for your negative experience. If you have any further concerns, please contact our customer care team at 1-800-289-8739...