It’s the tile I bet you can get a tile bit at the store and drill threw it I normally drill from above down, but be careful if you use the whole saw bit it’ll catch bad when you get threw and twist your wrist. You do risk cracking the tile doing it from the back side just a heads up.
ApplicationEast78 t1_ixk8m3n wrote
Reply to comment by SluggoJones in What am I running into? Drilling up through floor from basement. by SluggoJones
It’s the tile I bet you can get a tile bit at the store and drill threw it I normally drill from above down, but be careful if you use the whole saw bit it’ll catch bad when you get threw and twist your wrist. You do risk cracking the tile doing it from the back side just a heads up.