Imperial Floor Protector Thermal Stove Board 32 W x 28 L in.Imperial Stove Board allows you to install the stove closer to the wall. It protects the walls and floors from intense heat, hot coal, and ashes. It features a modular design for installing multiple screens. The protective screen shim assembly can be used to protect walls from the heat by reducing the space between the heater and combustible materials by 67% at a minimum distance of 12 inches. Use this stove board with other heaters such as kerosene