These pictures are from the floor drain in the public rest room of my buddies auto shop. As you can see the drain cover is simply resting on the drain and is not secured. The problem of securing it appears to be the cast iron has degraded to the point that it would be difficult if not impossible to screw the cover in. (The tiles can be trimmed back farther. They were left this way to give this “cover” something to actually sit on.)
Are any of you aware of a procedure or product that could be used to repair this? I’m sure he’d rather not jack hammer out the drain?