
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 creating a clean, professional, finished appearance that hides unsightly gaps and seamlessly complements deck aesthetics. Most highlight ease of installation and excellent color matching as key strengths, with the snap-together design earning consistent praise for convenience. However, some express frustration over dimensional confusion—the sleeves fit 4.5-inch posts, not standard 4-inch posts—causing installation issues. A few note concerns about plastic construction and durability, mentioning brittleness and potential scratching. Despite these drawbacks, most customers find the product worthwhile for dramatically upgrading their deck's visual appeal.
Customer review summary generated by AI, including incentivized reviews.GOOD
Would RecommendSO FAR GOOD
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
Hello Mark 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 ourselve... Read More

Don't love the two piece design
Would Not RecommendThere are better options available at Lowes. I prefer the veranda
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... Read More

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... Read More

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

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 ... Read More

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... Read More

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... Read More

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... Read More

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... Read More