Good news! There really isn't a thickness that is best so our recommendation is for you to choose your swimming pool liner based off the pattern you like best.
For more on how to choose the best liner for your swimming pool, check out our article that covers end color, texture, and patterns here!
Didn't find the answer you were looking for? You can always contact us at support@royalswimmingpools.com or choose the category below to see our most frequently asked questions for that topic: