Size Gallons / Liters Perimeter 14' x 28' - 42" Wall 10,900 / 41,300 78' 14' x 28' - 48" Wall 10,900 / 41,300 78' 16' x 32' - 42" Wall 17,300 / 65,500 90' 16' x 32' - 48" Wall 17,300 / 65,500 90' 18' x 36' - 42" Wall 21,900 / 82,900 102' 18' x 36' - 48" Wall 21,900 / 82,900 102' 20' x 40' - 42" Wall 26,900 / 101,800 112' 20' x 40' - 48" Wall 26,900 / 101,800 112'