In from all four edges.
How to fix floor under kitchen sink.
Feed the plywood through slowly and keep your fingers away from the blade course.
Next cut a piece of 1 2 in.
Use a circular saw to make your cuts.
Remove the old swollen floor.
Plywood to the interior size of the sink base.
Remove the drain lines and garbage disposer if there is one to get maneuvering room.
Then cut out the middle section of the swollen sink base with a jigsaw.
Cut a sheet of plywood to fit this area.
Cut a new piece of plywood to fit.
Remove all contents from the sink.
Always use a blade guide for safety when cutting with this type of saw.