Then trace a cutting line about 3 in.
How to fix cabinet floor under sink.
Over time this can cause the wood under the sink to rot.
In from all four edges.
Remove the drain lines and garbage disposer if there is one to get maneuvering room.
Plywood to the interior size of the sink base.
Water leaks are a common occurrence under kitchen sinks.
Damp rotten particleboard holds water which promotes mold and mildew.
Then cut out the middle section of the swollen sink base with a jigsaw.
Next cut a piece of 1 2 in.
Moisture destroys the particleboard most cabinets use for the floor below a kitchen sink.
If left unrepaired the leaks can cause significant damage to the cabinet floor by promoting wood rot warping and mold or mildew growth.
Remove the old swollen floor.