SmartLine Laguna 18' Round Unibead Above-Ground Pool Liner — 52" Height, 20 Gauge

Designed for 18' round pools, the SmartLine Laguna Unibead liner is a 52" height, 20 Gauge replacement produced in the USA by pool industry professionals with over 50 years of experience. Constructed from 100% virgin vinyl, this liner resists punctures, cracking and fading while offering built-in UV protection. Each liner is hand-folded to simplify installation and minimize wrinkles or imperfections. It withstands harsh pool chemicals and prolonged sun exposure, performing reliably across a temperature range of -50°F to 130°F. A gasket set is included to prevent leaks and fits all thru-wall skimmers and water return lines.