Stepping through the floor was not the primary hint that it had rotten out, however, it certain rapt the floor repair informed the priority list for a house with many transforms comes to try to. Different clues concerning the floor harm enclosed stained flooring, mold on the wall, and much of chance for water leaks with washer, restroom, and tank tired the neighborhood.
If you wish to create a distinction between dry rot and wet rot, this was quite wet, which implies that the fungi that caused this wood harm were the categories that like wet surroundings. Dry rot involves less water, however, the harmful fungi that cause dry rot still want some wet to try to their wood fiber-eating issue.
The homeowner had recently completed some plumbing upgrades, that took care of the water supply for the rot, however, the ground harm was already done. The demolition stage of repairing a rotten section of the subfloor is like cancer surgery. Once you start, you need to keep following the trail of the water-born destruction until you reach the total extent of the harm. You do not perpetually grasp wherever the surgery can take you. Typically, it extends on subfloor framing for a few distances. It can even harm the wall framing around it.