SHEETROCK Brand -lb White Popcorn Dry Mix Wall and Ceiling Texture SprayerUSG Sheetrock Brand Ceiling Spray Texture QT Medium 40 lb. Spray Texture is ideal for new ceilings and for renewing old ceilings, providing an attractive acoustical appearance. It can also help hide minor surface imperfections. Can be applied over treated plaster and concrete substrates and gypsum panels. Contains polystyrene aggregate to produce a medium popcorn texture Easy pumping Dries to a white color Not washable unpainted Covers approximately