When the bottom of the door clears the track at the bottom lower.
How to repair water damaged subfloor and sliding door.
Assess the damage and cut around it then remove the damaged subfloor.
Use a circular saw set to 1 depth to cut the subflooring back beyond the damaged areas until you reach solid structural framing.
Use a pry bar to remove any protruding nails and vacuum up the demolition debris.
Lift the door up and tilt it toward you.
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.
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.
Start by completely removing the damaged materials.
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.
You don t always know where the surgery will take you.
This repair involves installation of a sheet metal drain pan beneath the door threshold.
Once you get started you must keep following the path of the water born destruction until you reach the full extent of the damage.
The demolition stage of repairing a rotted section of subfloor is like cancer surgery.
The pan must be ordered from a sheet metal shop and fabricated to fit the doorway for which it is intended.