I would endorse painting the entire hallway with mold-blocking primer, before implementing new emulsion. search for the mildew-blocking alternative, as it might protect against any green spots or blue spots from discoloring new paint. you may try out it, Specifically as it emits warmth which reduces humidity which mold may https://home-inspection-found-mol53950.answerblogs.com/4923100/mold-inspection-companies-near-me-getting-rid-of-black-spots-from-timber-paneling-in-the-home