SmartLine Oval Overlap Pool Liner 18' x 40' Solid Blue — 48"/52" Height, 25 Gauge

Made in the USA by pool industry professionals with over 50 years of experience, this SmartLine 18' x 40' oval overlap liner in solid blue is a 25 gauge option designed for 48"/52" above-ground walls. Constructed from 100% virgin vinyl, the liner offers strong resistance to punctures, cracking and fading and includes built-in UV protection for prolonged outdoor use. Each liner is hand folded to simplify installation and minimize wrinkles or other fit imperfections. It tolerates harsh pool chemicals and extended sunlight exposure across a wide temperature range of -50°F to 130°F. A gasket set is included to help prevent leaks and is compatible with all thru-wall skimmers and water return lines.