One embodiment includes a frame for supporting the foregoing components along with an air-driven motor for the auger, an air- driven pump for delivering the mud from the holding tank to a spray nozzle, a first air-driven stirring mechanism for stirring the powdered sack material in the hopper...
First they mix powdered plaster, stucco, finish, EIFS, fireproofing, or other sack material with water to produce a viscous plaster-like mixture that is sometimes referred to as mud. Then, they spray the mud onto the drywall with high pressure nozzles. That gives the drywall the desired ...