
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 skirts for their clean, finished appearance and seamless compatibility with composite decking systems. Most highlight the snap-together design as easy to install without disassembling railings, and many note excellent color matching that instantly upgrades deck aesthetics. Several appreciate the polished, professional look that complements black railings. Some mention sizing discrepancies, noting the product fits 4.5-inch posts rather than standard 4-inch sizes, and a few criticize the plastic material or visible seams from the two-piece construction. Overall, reviewers strongly recommend the product for its visual appeal and straightforward installation.
Customer review summary generated by AI, including incentivized reviews.Not worth the money you pay for it
Would Not RecommendIt’s to big for the post it’s about 3/8” on 2 sides when you put it together.
Should be one piece...
Didn't realize and wish that it was a one piece item. Do not like the snap together sections, and that there is a line down where it connects...
From 4-in x 4-in Classic White Composite Deck post base trim Verified Purchaser
Hello, and thank you for the feedback. The post skirts used to come in one piece, but we found that the two-piece skirts were preferred in case custo... Read More

Post
Would Not RecommendMiss important on package. It started it fits a 4x4 post. It doesn’t it for a 41/2x 41/2 post
Hello, thank you for reaching out. We are sorry to hear of your experience. Our 4x4 post sleeves are designed to hit over a standard 4x4 post with th... Read More

Never received, spoke to Lowes 6 TIMES!
These were not received, yet after reporting they were not received, ON THE DAY they were not received, and 4 more chats and another call to Lowe's, STILL NOT REFUNDED. We will no longer buy online. Nightmare! Chat, USELESS. Calling, just as USELESS.
Hello Deckbuilder, thank you for reaching out. we sincerely apologize for your negative experience. However, we would like to mention that calling yo... Read More

does NOT Fit.. DO NOT Buy
Would Not Recommendthe package says 4x4 post when the opening is actually 4.5 inches. completely irritated.
Hello GB, thank you for your review. We are sorry to hear of your experience. We would like to mention that the overview will list the actual dimensi... Read More

They do not fit around a 4 x 4 post
Would Not RecommendI ordered 4 x 4 and these are too big.
Hi Sandy, Thank you for contacting Trex and sharing your experience with us. We sincerely apologize for the difficulties you’ve encountered. If there... Read More

Not sized correctly
Would Not RecommendReal measure is 4.5 inches by4.5 inches bad. Forced to make shims
Hello Bob. Foremost we’d like to apologize for your negative experience with your Trex material. In addition, we’d like to learn more about your situ... Read More

Easy to install.
Would RecommendVery nice contrast to the black railings.
Easy install.
Would RecommendThese are a two part item that snaps together. My 6 year old grandson put them together for me.
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

Asa was very helpful and polite Aided in loading the items and was courteous doing so.
From 4-in x 4-in Charcoal Black Composite Deck post base trim Verified Purchaser
Hello, and thank you for your lovely review. We appreciate you taking the time to share your experience with us as well. We hope you enjoy your brand... Read More

Hi Jack, so sorry to hear that you are having issues. For further assistance, please contact us at 1-800-289-8739 or at customercare@trex.com. - ... Read More