SHEETROCK Brand 32-lb White Popcorn Dry Mix Wall and Ceiling Texture SprayerSHEETROCK Brand Ceiling Spray Textures, QT, are interior finish powder products that mix with water for easy spray application. The medium texture provides a variety of decorating options and helps conceal minor surface defects. The product produces a handsome, simulated acoustical ceiling finish. Can be applied over treated noncontact gypsum panels, plaster and concrete substrates. Dries white and is typically left unpainted on noncontact ceiling