Protects the wood and easy to take out dry the wood under it and put back if a leak occurs.
How to floor under sink.
Use a dehumidifier in the room or a cabinet dryer if plumbing repairs don t address the problem of.
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.
If the pipes under your kitchen sink are exposed you may not want to fill the gaps around them with spray foam which isn t the most attractive material in the world.
Remove the drain lines and garbage disposer if there is one to get maneuvering room.
Then lay it to fit under the sink and flash cove it up the back and front of the space under the sink where possible.
In from all four edges.
Plywood to the interior size of the sink base.
The space beneath the kitchen sink is exposed to high levels of humidity and may even be exposed to water through leaky plumbing.
Then trace a cutting line about 3 in.
Remove the old swollen floor.
If left unrepaired the leaks can cause significant damage to the cabinet floor by promoting wood rot warping and mold or mildew growth.
Then cut out the middle section of the swollen sink base with a jigsaw.
If you can t then just lay it in there.
Next cut a piece of 1 2 in.
You can protect the floor inside your kitchen sink cabinet with a sheet of vinyl flooring.
You can use caulk to fill gaps less than about 1 2 inch wide and you can fill wider gaps by stuffing them with steel wool and caulking over it.
Water leaks are a common occurrence under kitchen sinks.
Over time this can cause the wood under the sink to rot.
The floor inside your kitchen sink cabinet is highly susceptible to damage caused by an occasional water leak or condensation dripping from sweaty pipes.