The space beneath the kitchen sink is exposed to high levels of humidity and may even be exposed to water through leaky plumbing.
Replacing cabinet bottom under kitchen sink.
Wedge a 2 4 between the sink bottom and the floor of the cabinet to create slight upward force.
We ll never understand why cabinetmakers use.
Back out the screws attaching the door hinge to the cabinet base.
The flimsy particleboard bottoms in most kitchen and bathroom sink bases are often swollen and moldy from leaks.
Damp rotten particleboard holds water which promotes mold and mildew.
Remove the cabinet door or doors for a double sink to allow better access to the area under your sink.
The best fix is to cut them out and replace them.
Moisture destroys the particleboard most cabinets use for the floor below a kitchen sink.
If the caulk is too hard to cut hammer an old putty knife.
Then cut the caulk.
Btw some sink areas have a gap in the framing bottom panel connecting to a forced air vent or rarely to a hydronic heating loop or bare pipe or radiator be sure to leave that open if you have such because that is designed to keep the under cabinet area and pipes warm to prevent pipe freezing.
Otherwise you may have to replace your cabinet too.
When replacing a sink it s important that your new kitchen sink be the same bowl size sink width and sink depth of your current sink.
Replacing the bottom piece of wood under the sink with a mold resistant pressed cement.
How to replace the bottom piece of wood under my kitchen sink.
Start by measuring the depth of your cabinet.
The sink cabinet measurements are going to determine exactly what size sink you can install.
Replacing the bottom piece of wood.
Damp rotten particleboard holds water which promotes mold and mildew.
Replacing a kitchen sink and faucet is a quick way to give your kitchen a new look but there are potential plumbing and installation problems to watch out for.
Moisture destroys the particleboard most cabinets use for the floor below a kitchen sink.