Hi all. I just looked at a shower for a friend. The house was built in the 80's. I know that shower pans have a life of about thirty years so I am seeing a lot of people around my friends house with water damage under their nice tiled showers. I told him to go with a new fiberglass unit and rip...
My uncle built a small dock a couple years ago and set the poles using regular water hose and a nozzle we made from 1/4 pipe. The 1/4" pipe shot down beside the poles and tapped down with a sledge. He would work three at a time until all poles stayed level and where he wanted them to. Same...
sandblasting should work. I have had some success with using a brick of the same color and sanding the wall but that is usually smaller spots. Also a wire wheel on a grinder or drill can remove some as well. Good luck and let us know what you end up with.