The cost to install radiant barrier insulation runs from $740 to $2,840 or $1,700 on average. Materials for this project run as low as $0.10 per square foot, up to $0.95. Professional installers typically charge $30 to $80 per hour for this j. With its wide variety of installation options in an array of round and oval sizes, Optimum is so versatile, it can be installed to fit any yard. Plus, Optimum’s compact shipping and quick, easy assembly ensures that you’ll be swimming in no time! Available InGround Pool Sizes: Rounds: 16’, 18’, 21’, 24’, 27’, 30’. The incredibly strong, 2” thick Radiant pool wall eliminates this potential harm, and our warranty protects your pool in the unlikely event that damage occurs. No other aboveground pool gives you this kind of coverage and peace of mind. Round Pools. 52″ wall height. 16 ft 18 ft 21 ft. 24 ft 27 ft 30 ft 33 ft . Rectangle Pools.