Tile shower upstairs, will my floor support it?

My upstairs floor uses 2×12 joists and is 2 foot on center with 7/8 osbOne thing that helps is there’s a wall on the first floor almost directly under the… My upstairs floor uses 2×12 joists and is 2 foot on center with 7/8 osbOne thing that helps is there’s a wall on the first floor almost directly under the…Read MoreGreenBuildingAdvisor