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.
Replace kitchen sink cabinet floor.
To replace your top mounted kitchen sink start by shutting off the water supply valves then turning on the faucet to drain any remaining water from the line.
Spread an old sheet in front of the cabinet to not only protect your floors but make cleanup easier.
But you don t have to cut out the entire bottom.
If the caulk is too hard to cut hammer an old putty knife through the caulk driving it toward the sink a section at a time.
Wedge a 2 4 between the sink bottom and the floor of the cabinet to create slight upward force.
Let s face it it s easy to get water on the floor of your sink base cabinet.
Then cut the caulk.
I am not a carpenter and this video is for entertainment use only.
Replacing a water damaged cabinet floor under a kitchen sink with plywood.
This is not a how to or diy do it yourself.
We ll never understand why cabinetmakers use particleboard for the base but they do.
Extends cabinet life and much cheaper than replacing the cabinet.
And once it starts swelling your only option is to replace it.
Over time this can cause the wood under the sink to rot.
Plug in a light or lamp.
Next put buckets under the water supply lines disconnect the lines with an adjustable wrench and remove the drainpipe with pliers.