Tenants just moved out [forced eveiction] they must have deep fryed everything without ever opening a window. Now all walls and ceilings not to mention fans are coated with grease. Fans are down to be cleaned, walls have been tsb'd but what about popcorn ceiling? I can't wash it. Painter friend suggested a bonding primer. Kilz says for grease stains but then says area must be free of grease.
I don't want to scrape this ceiling............................