Then trace a cutting line about 3 in.
How to fix cabinet floor under sink.
Replacing the bottom piece of wood.
Remove the old swollen floor.
Damp rotten particleboard holds water which promotes mold and mildew.
Remove the drain lines and garbage disposer if there is one to get maneuvering room.
If you have a particle board floor underneath your sink that is showing signs of water damage you can tear it out and replace it to prevent the growth of mold.
Then cut out the middle section of the swollen sink base with a jigsaw.
Next cut a piece of 1 2 in.
If left unrepaired the leaks can cause significant damage to the cabinet floor by promoting wood rot warping and mold or mildew growth.
The space beneath the kitchen sink is exposed to high levels of humidity and may even be exposed to water through leaky plumbing.
Over time this can cause the wood under the sink to rot.
Moisture destroys the particleboard most cabinets use for the floor below a kitchen sink.