Henry 345, gallon, pre-mixed patch n level patch, designed for smoothing & patching concrete, wood, & masonry subfloors prior to installing floor Coverings, coverage 4 to 5 sqft per QT at 1/8" & 16 to 20 sqft per gallon at 1/8". this product adds a great value. Product is highly durable and very easy to use. This product is manufactured in United States.