I have a big old house built in 1850 interior of horsehair plaster. What is the best and easist way to repair these and what are the names of products I buy? I also need to clean these walls to paint, I have heard of TSP and dirtex. Would this work on these old plaster walls? I have heard of Easysand 90 and durabond also for these cracks. Do I use just the plain paper to cover the cracks with after sealed?
Sorry for so many questions. I would appreciate any and all ideas.