Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise these deck post caps for their excellent fit on composite post sleeves, clean white finish, and durable composite construction. Most highlight how the caps enhance outdoor spaces with a polished, refined appearance and seamless color match. Reviewers consistently commend the weather-resistant material for requiring minimal maintenance and resisting fading and warping over time. A small number report fit inconsistencies on certain post sleeves, occasionally requiring caulk or adhesive to secure them. Despite these minor installation nuances, most customers consider them a worthwhile upgrade that delivers long-term value and professional aesthetic appeal.
Customer review summary generated by AI, including incentivized reviews.Trex plastic post cap
Would Not RecommendI don't like the design of the cap. it has four sharp corners. I would prefer rounded edges so when you bump into it it won't poke you.
From 4-in x 4-in Classic White Composite Deck Post Cap Verified PurchaserSweepstakes
Simple but effective
Would RecommendGreat product!
From 4-in x 4-in Classic White Composite Deck Post Cap Verified PurchaserSweepstakes
Hello Dan, and thank you for choosing Trex! We appreciate you taking the time to leave us a review. We hope you enjoy your brand new Trex Railing acc... Read More
Nice fit, easy to install
Would RecommendThis was an excellent fit over our 4x4 posts. Looks nice and super easy to install. Absolutely love them
From 4-in x 4-in Classic White Composite Deck Post Cap Verified PurchaserSweepstakes
Hello Tom, 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! We hope you co... Read More
Photos below are from beginning to nearing the end of our project. Lowe’s have been a great help all the way. Thank You Tim!!!!
From 4-in x 4-in Classic White Composite Deck Post Cap Verified PurchaserSweepstakes
Hello Charyl, amd thank you for sharing this great review! We are thrilled that you love our products, and are happy to hear your local Lowes store h... Read More
Great price!
Would RecommendThis unfortunately wasn't the same size and style as what I needed to match the existing ones on the porch. But Lowes returned them without issue. I had to go to a different store to get the ones i needed personally. But these seemed to be great quality, and at a great price!
From 4-in x 4-in Classic White Composite Deck Post Cap Verified PurchaserSweepstakes
Hello Tabitha, and thank you for your interest in Trex! We are sorry to hear these didn't work for your application, however we are happy to hear you... Read More
Quality and low cost
Would RecommendI installed led lights pointing down under my handrails, so I used these caps. I like the caps, inexpensive, high quality, and they look nice. I haven’t glued them down yet, the mating surfaces between the cap and post sleeve are very small and silicone did not hold up to the lift test that all of my buddies would give it.
From 4-in x 4-in Classic White Composite Deck Post Cap Verified PurchaserSweepstakes
Hello, On behalf of all of us at Trex I would like to thank you for sharing this great review. We are thrilled that you love our products. We hope yo... Read More
Ok but not great
Would Not RecommendNot a tight fit and they leave a lip so bees can make a hive.
From 4-in x 4-in Classic White Composite Deck Post Cap Verified PurchaserSweepstakes
Hello, and thank you for your feedback. The Trex post sleeve cap is specially designed for a snug fit to our Trex post sleeves with the use of silico... Read More
Hello, we’re sorry to hear your product didn’t come as expected, and even more sorry to disappoint a customer. If you
need assistance please rea... Read More