SHEETROCK® Brand First Coat primer for preparing new, interior gypsum panel walls and ceilings. Minimizes texture variations. Minimizes drywall decorating problems. Equalizes the porosity between the joint and the field of the board for a uniform paint finish. Goes on fast. Dries in minutes. Easy to apply by brush, roller or sprayer. Covers approximately 300 to 500 sq. ft. per gallon. Flat white latex.