HY-C T2UL1848GT-1C Type 2 Slate Tile Hearth Extender, 18 48-Inch, Gray

• Provides non-combustible thermal and ember protection for floors and walls from the intense heat, hot coals, ashes and soot that wood burning appliances can produce
• Use as a stove board or hearth extender to protect the floor in front of your fireplace or as a wall shield to protect your walls
• Embossed printed steel and 1/2" thick, specially formulated fiber board backing
• Tested to UL1618; R-Value: 1.56
• Made in the USA