Both the cabinet floor and the supports underneath needed to be restored to prevent further damage or mold issues.
Bad cabinet floor under sink.
Then cut out the middle section of the swollen sink base with a jigsaw.
The floor of the sink base cabinet was warped rotted and cracked and in bad need of repair.
Then trace a cutting line about 3 in.
Water leaks are a common occurrence under kitchen sinks.
Next cut a piece of 1 2 in.
Remove the old swollen floor.
The space beneath the kitchen sink is exposed to high levels of humidity and may even be exposed to water through leaky plumbing.
The water damage was extensive enough that it also rotted the framing below and affected the floor underneath the cabinet.
In from all four edges.
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.
Over time this can cause the wood under the sink to rot.
Theoretically the inside of your kitchen sink cabinet shouldn t get wet but in the real world that s just not the case.
If left unrepaired the leaks can cause significant damage to the cabinet floor by promoting wood rot warping and mold or mildew growth.
How to replace the bottom piece of wood under my kitchen sink.
Here s a way to prevent that.
Plywood to the interior size of the sink base.
Remove the drain lines and garbage disposer if there is one to get maneuvering room.