I am wondering how to fix (redo) texturing on my walls. I moved into a home that has some walls texturd with a heavy trawl type of texture, and other parts with a spray on texture(not done well at all). And all the walls are painted. I would like to redo the texture on the walls with a nice even and similar texture, but don't know how get the walls in a condition to do it. (I have experience with texturing but am unclear of a way to fix (prep) these walls to apply a nice texture job) Is it possible to fix or am I stuck with a poor job. Any advise and/or help would be very much appreciated.