It generally takes 1-1/2 to two full buckets of mud to texture the walls and ceiling of an average-size (12 x 12 foot) room. Traditionally, knockdown textures were done with flat trowels or wide ...

SUPPLIES Also known as drywall mud, joint compound is ... in a range from smooth to coarse texture, often based on common wall texturing types such as knockdown or popcorn, or as sand texture ...