Hy-c Company,inc UL3242ST-3 "Sandstone" Stove Board 32"x42" (Pack of 3) "HY-C COMPANY" STOVE BOARD Sandstone Size: 32"x42" Protect Your Floors From the Intense Heat, Hot Coals, Ashes and Soot That Wood Stoves Can Produce. Use Stove Boards Under Other Heating Appliances Such as Kerosene, Gas and Electric Heaters.