Subfloor Rotted Under Wall

If you find mold growing the wood floor plates behind the wall are at risk of wood rot.

Subfloor rotted under wall. The subfloor is a single sheet that goes under the wall from the kitchen to the bedroom closet. I am replacing the subfloor in a 5 foot wide room on the second floor of my house. Replacing the subfloor under a wall is not a beginner s do it yourself project especially if the wall in question is a load bearing wall. I noticed that this damage extended under the bottom plate of the exterior wall.

Hi i m having trouble finding exact information about replacing rotted subfloor underneath an exterior wall. Chad positioned the subfloor plywood to go under the wall so he could lay out notches for the pipes in the wall. Rotted subfloor under wall replacement question. The water rotted the subfloor under the fridge and into the bedroom closet floor behind it.

The only sure way to find out is to remove a section of the wallboard and check the wood behind. After cutting the notches for the pipes he positioned the new under wall subfloor piece to reach the floor joist scab and to leave enough room for the full sheet of plywood subflooring. That s because you ll need to shore up the wall to prevent it from collapsing while you remove the floor plate any rotten studs and the rotten subfloor itself. Rotten subfloor under bathtub and plumbing wall after discovering a rocking toilet and ripping up the tile particle board underlayment i discovered that the rot around the toilet was the least of my problems.

The damaged subfloor i m talking about is the old 1x10 floorboards laid diagonally over the floor joists and because of the termite damage the load bearing wall has crushed these floorboards completely in this small area in affect the wall and surrounding finish floor oak hardwoods has sunken about an inch. I m trying to replace some rotted subfloor in my guest bathroom. For some reason i was expecting there to be an extra wide rim joist on the outside wall and that the floor would end right next to the bottom plate for the exterior wall. It was badly water damaged.