It is a subject that's been discussed many times previously. Water Ingress, and a time span of thirty years (at least) can really cause havoc to the sound proofing/sponge flooring on the front floors. Gleaming Beauty was no exception to this state of affairs, but I had already scraped up all the old stuff on the left front floor probably two to three years ago , and replaced it with Dynamat - after through cleaning and painting of the floor area. Luckily enough, rust had been minor, with...