2ft x 3ft 2ft x 4ft Hearth 2.5ft x 8ft 3ft x 12ft 4ft x 6ft 4ft Round 4ft Square 5ft x 8ft 6ft x 9ft 6ft x 9ft Oval 6ft Round 6ft Square 7.5ft x 9.5ft 8ft x 10ft Oval 8ft x 11ft 8ft Round 8ft Square 9ft x 12ft 9.75ft Round 9.75ft Square 10ft x 14ft 12ft x 15ft