A small investment that will add years to the life of our above ground liner! Make sure to place pool cove around the bottom inside circumference of your pool wall before installing your new liner. Pool cove will help prevent excessive stretching and premature wearing adding years to the life of your new liner. Peel and Stick pool cove has an adhesive backing for quick easy installation. Each piece of pool cove is 48 long. # of pool strips needed for pool size: 27'-28' Round and 18' x 33' Oval= 22.