I have just had my chimney (field stone/cement) touched up and would like to have it sprayed with a sealer. What do you recommend? I had it sprayed some 15 years ago with a silicone spray but I cannot find such product. All I see at retail outlets is the

I painted my kitchen semi-gloss over semi-gloss and now the paint peels off in sheets when trying to remove the tape. I used that new Behr paint with the primer already in it and the guys at Home Depot didn’t tell me I would need to sand or prime. Do