Wedge a 2 4 between the sink bottom and the floor of the cabinet to create slight upward force.
Replacing cabinet bottom under kitchen sink.
Back out the screws attaching the door hinge to the cabinet base.
How to replace the bottom piece of wood under my kitchen sink.
Remove the cabinet door or doors for a double sink to allow better access to the area under your sink.
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.
We ll never understand why cabinetmakers use.
The best fix is to cut them out and replace them.
Then cut the caulk.
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.
Moisture destroys the particleboard most cabinets use for the floor below a kitchen sink.
Replacing the bottom piece of wood under the sink with a mold resistant pressed cement.
The flimsy particleboard bottoms in most kitchen and bathroom sink bases are often swollen and moldy from leaks.
The space beneath the kitchen sink is exposed to high levels of humidity and may even be exposed to water through leaky plumbing.
Replacing the bottom piece of wood.
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.
Over time this can cause the wood under the sink to rot.
Otherwise you may have to replace your cabinet too.
Start by measuring the depth of your cabinet.
Damp rotten particleboard holds water which promotes mold and mildew.
Let s face it it s easy to get water on the floor of your sink base cabinet.
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.