Always use a blade guide for safety when cutting with this type of saw.
How to fix floor under kitchen sink.
Use a circular saw to make your cuts.
Remove the drain lines and garbage disposer if there is one to get maneuvering room.
Remove the old swollen floor.
Cut a sheet of plywood to fit this area.
Feed the plywood through slowly and keep your fingers away from the blade course.
Remove all contents from the sink.
Disconnecting the drainpipes allows easier access when repairing the sink cabinet s floor by providing a workspace without the added constrictions of the pipes.
In from all four edges.
Then trace a cutting line about 3 in.
Next cut a piece of 1 2 in.
Cut a new piece of plywood to fit.