Safe and effective hearth cleaner. Removes soot and smoke stains from brick, stone, marble, slate, tile, limestone, cultured stone and concrete surfaces. Environmentally friendly. Brush on, let dry, and then peel off thick, rubbery, non-hazardous film to reveal clean surface. Available in 1/2 gallon container. Shipping is FREE (continental US only). Consider adding some masonry tools to your order.