Cutting strip off uneven built in wall shelf
I am having new kitchen tile backsplash installed and this uneven shelf edge is causing a problem. I would like to cut the length of the shelf so that it is flush with the wall allowing the tile to be installed right up to the bottom opening of the butler window. Right now it cannot be as the shelf sticks out approx 1/4 inch or a little more on one end and then tapers down to sticking out less and less toward the other end of the shelf.
This cannot be removed to be cut with a table saw or something and I don't have that kind of a tool, anyway. It needs to be addressed in place.
Would a Dremel Max tool with a wood/metal saw blade attachment work for trimming the length off this shelf so that it is flush with the wall? If not, any other suggestions? I had thought of perhaps a really rough rasp to shave it down but I haven't been able to find a really rough rasp.