Use a circular saw set to 1 depth to cut the subflooring back beyond the damaged areas until you reach solid structural framing.
How to repair water damaged subfloor and sliding door.
Use a circular saw set to the depth of the subfloor.
Sometimes it extends along subfloor framing for some distance.
The demolition stage of repairing a rotted section of subfloor is like cancer surgery.
When the bottom of the door clears the track at the bottom lower.
This repair involves installation of a sheet metal drain pan beneath the door threshold.
How to repair rotted wood door bottom front doors are more vulnerable as they re seldom used and most home owners don t notice problems right away.
The problem is compounded by water running off the roof so more water hits the landing and potentially splashes back against the door and house.
When you replace the subfloor the new ends have to sit on the joists so cut out your wet subfloor along two joists on.
Once you get started you must keep following the path of the water born destruction until you reach the full extent of the damage.
Use a pry bar to remove any protruding nails and vacuum up the demolition debris.
Assess the damage and cut around it then remove the damaged subfloor.
Remove the door from the opening by grasping it with both hands on either side of the door.
Start by completely removing the damaged materials.
Extend the removal to the middle of the first joist past the rotten portion and well into the good subfloor wood on every side of the opening.