DAP wall spray texture knockdown water based is an easy-to-use aerosol for targeted wall repairs that provides excellent texture match with included straw or layering application techniques. Quick repair spray texture in a white finish and a non-sag formula has strong wall adhesion. Product won't crumble when painted and does not require priming. The grip trigger offers full hand control for an ergonomic spray. Easily create a knockdown texture effect by holding a putty knife parallel to the wall or ceiling to lightly flatten knockdown to desired texture and dipping putty knife into water between each knockdown. Complete this process immediately for fine applications, 30 seconds-1 minutes for medium applications and 1-2 minutes for heavy applications. Fast dry time of 30 minutes. Works as a spray texture for walls to repair textured surfaces on drywall, stucco, and plaster. Use for texture repairs and touch ups including fixture removal, small holes, and minor repairs. Before applying, shake vigorously for one minute after mixing ball rattles in a variety of directions including upside down. Next, tear off top safety tab and select application method based on desired texture (straw is used for fine texture). Spray by pushing on lower portion of trigger keeping the can 12 to 18 in. from the surface. Works on Interior/Exterior surfaces.