To to Tri-Arch, Inc, then click PRODUCT LINE, then click Overview. The 2nd 'item' on this WEB page talks about a product they handle that's used for knock-down texture work. Perhaps if you contact them, they'll be able to help. Ask if they sell their 'stuff' in your area. (Butter them up.) Even ask for a recommended contractor. If they only sell the product (and don't make it), you should be able to find the product on-line somewhere. If you out of luck, post up again.