After finding the leak and repairing it replace the nasty mess with a better cabinet bottom board.
Replace kitchen sink cabinet bottom.
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The best fix is to cut them out and replace them.
Dewalt hole saw bits.
Replacing the bottom piece of wood.
The flimsy particleboard bottoms in most kitchen and bathroom sink bases are often swollen and moldy from leaks.
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We ll never understand why cabinetmakers use.
Let s face it it s easy to get water on the floor of your sink base cabinet.
Start by measuring the depth of your cabinet.
1 empty the sink cabinet moving everything well away from the work area.
The sink cabinet measurements are going to determine exactly what size sink you can install.
Moisture destroys the particleboard most cabinets use for the floor below a kitchen sink.
Otherwise you may have to replace your cabinet too.