If you see rot treat it by brushing on a saturated solution of boric acid and water to kill the rot.
Rotten subfloor repair.
Otherwise pick yourself up a stud finder.
Click the links below to see inside.
Even if you know the.
This exterior grade plywood is a good choice for damp or occasionally wet areas because it can withstand a moderate amount of moisture without deteriorating.
You can find the subfloor under carpeting cement or backer.
Locate the metal frame studs underneath the floor.
Measure and cut the plywood use 5 8 cdx plywood to replace the original subflooring.
The demolition stage of repairing a rotted section of subfloor is like cancer surgery.
Finally re install insulation and drywall paint the wall and replace the floor covering.
Fix the floor joists if necessary and then add a new subfloor panel.
This can be accomplished several ways.
A rotting floor is an accident waiting to happen.
When it s in front of a door it s even worse because everyone walks on it.
The subfloor is the structural underlayment in a home that spans floor joists and serves as the base for a number of floor coverings.
Once you get started you must keep following the path of the water born destruction until you reach the full extent of the damage.
Regardless i am going to show you a solution that has worked amazingly well to fix rotted sub floor on a shoe string budget.
You don t always know where the surgery will take you.
Restore the floor plate and replace any damaged wall studs.
Sometimes it extends along subfloor framing for some distance.
If they are wet leave them exposed for 2 or 3 days so they can dry out.
How to repair a rotting floor by a leaking door.
Measure and cut plywood as needed to cover the damaged area.