I used the widest available orifice on the nozzle. Once the consistency was right, I connected the gun to the compressor, filled the hopper about ½ full of texture compound, fired up the compressor and began to spray. Larger quantities are best mixed and thinned in a 5-gallon bucket using a mixing paddle on a drill motor. Since I only required a half-gallon or less for my project, I used a large mixing bowl and spatula to mix in the water. I used premixed joint compound and needed to thin it with water to achieve the right consistency. Joint compound thinned to “pancake batter”Įither way, the proper consistency for knock-down texture is about that of pancake batter. It comes premixed in a plastic bucket or n a dry form that must be mixed with water. Regular-weight ( not lightweight) joint compound is the best product for achieving the knock-down texture. The indentation in the wall of the dining area also needed a skim coat to raise the surface to that of the surrounding wall. In preparing both areas, I sanded off the offending awkward textures and masked areas that I did not want to get overspray of the new texture on. An added bonus was that I already owned all of the tools and a small tub of joint compound, so I would save the $20 purchase price of the aerosol product. ![]() Although the hopper-gun is really meant for larger scale projects than the one that I was contemplating, I believed that with care, I could scale it’s use to these repairs. When I was doing the earlier repair, the hopper-gun was still at the Des Moines residence, but by this summer, I had moved it down to our new home. Depending on the orifice, pressure and consistency of the texture material a number of possibilities ranging from “popcorn”, “orange-peel” or “knock-down” can be applied to ceilings and walls. ![]() This device when attached to an air compressor allows the user to spray a variety of textures onto surfaces. If you follow earlier postings of this blog, you will remember that when discussing the Aerosol spray texture previously, I related that I had once sprayed a Knock-Down texture on a bathroom ceiling, and that for that task, had purchased a “Hopper Gun”.
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