SmartLine 18' x 36' Oval Boulder Swirl Overlap Above-Ground Pool Liner — 48"/52" Height, 20 Gauge

Proudly manufactured in the USA by pool industry professionals with over 50 years of experience, this SmartLine 18' x 36' oval overlap liner features the Boulder Swirl pattern and is designed for above-ground pools. Constructed from 100% virgin vinyl (20 gauge), the material includes built-in UV protection and is formulated to resist punctures, cracking and color fading. Each liner is hand-folded to allow smoother installation with fewer wrinkles or imperfections. Engineered to tolerate harsh pool chemicals and prolonged sun exposure, it performs reliably across a wide temperature range from -50°F to 130°F. A gasket set is included to help prevent leaks and fits all thru-wall skimmers and water return lines.