DAP® Concrete Floor Leveler is designed for use with DAP Bonding Liquid & Floor Leveler Additive to provide an underlayment system that levels interior or exterior concrete, masonry and wood subfloors. It can be used to patch concrete and masonry steps, sidewalks and curbstones. DAP Concrete Floor Leveler is ideal for patios and garage floors. It withstands freezing after final cure.