Start by completely removing the damaged materials.
How to repair water damaged subfloor and sliding door.
You don t always know where the surgery will take you.
The pan must be ordered from a sheet metal shop and fabricated to fit the doorway for which it is intended.
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.
When the bottom of the door clears the track at the bottom lower.
Use a circular saw set to the depth of the subfloor.
Use a pry bar to remove any protruding nails and vacuum up the demolition debris.
Once you get started you must keep following the path of the water born destruction until you reach the full extent of the damage.
Lift the door up and tilt it toward you.
When you replace the subfloor the new ends have to sit on the joists so cut out your wet subfloor along two joists on.
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 rotted wood door bottom front doors are more vulnerable as they re seldom used and most home owners don t notice problems right away.
Remove the door from the opening by grasping it with both hands on either side of the door.
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.
Sometimes it extends along subfloor framing for some distance.