Horizon Ventures HV/LA-18x40 Oval 1 Piece Above Ground Pool Installs and Liner s, 18 x 40', White

Line-R-Armor is great for new Above Ground Pool Installations or for Liner s. Works like carpet underpad to provide a soft smooth floor pad beneath the new liner to protect against damage caused by roots, stones and coarse sand, etc. Line-R-Armor is a one piece, water resistant synthetic material and is pre-cut to sizes to fit most standard Round and Oval Pool Sizes. Line-R-Armor also provides a barrier to reduce heat loss by insulating heated pool water from cool ground.