It works with most gravity-fed texture materials. Sprays acoustic, drywall, water proofing, pool deck sealant, stucco, and most gravity fed materials. Sprays texture on walls and ceilings. Sprays most gravity-fed texture materials.
I don't know jack about texturing drywall, but the recommended PSI setting of 27psi is a little low unless you want a heavy texture. 40 psi is about right for orange peel. Expensive but a very nice hopper.