07:36PM | 03/09/05
Member Since: 03/04/05
33 lifetime posts
I am preparing to remodel my downstairs bathroom. However, there is a problem with the wood subfloor. Over the years of water dripping from showers, baths, etc and flowing to the lowest point (the corner between the tub and the bath) it has rotted the wood subfloor. There was also a leak in the tub drain line. From above I can chip away pieces of wood and from under the house I can see that there are spots where the wood is completely rotted. My idea is to remove the rotten pieces (I don't believe the entire floor needs to be replaced)and replace with new pressure treated plywood. I may have to "sister?" some of the floor joists in between but am wondering if I can also use 2x4 to run perpendicular between the floor joists for added support. The joists do not appear to be affected. How big of a project is this? When complete, I'd like to replace with a laminate stone look floor. What about the toilet? Do I need to remove it? Or will I just cut the laminate to fit around the toilet base? Maybe now is the best time to go ahead and replace the wax seal and stabilize the toilet?? This will be one of my firsy DIY jobs and any advice is appreciated. Thanks in advance.



12:04PM | 03/10/05
Member Since: 03/09/05
2 lifetime posts
I bought a house that had a similar problem. The toilet had been leaking for ??? years and the floor had rotted but the sub floor and joists were OK. I decided to remove the plywood down to the sub floor in the entire bath. When I did this I discovered that the sub floor was uneven. I ended up using a hammer and chisel to cut the floor back to the walls. Of course I took out the toilet and base cabinet.

Since I was going to put down ceramic tile I used 1/2" wonder board. I glued and screwed the wonder board to the sub floor and it brought the subfloor back to level. After I set the tile I replaced the toilet with a new seal and decided to get a new base cabinet and sink. When it was all done I had a brand new bath and a rock solid floor


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