Do you know the thickness of the existing floor and subfloor.....
and what is the existing floor covering .....vinyl ?
and the wall/joist relationship.....what direction?....Perpendicular(wall sits ON several different joists)...OR...Parallel (wall sits between joists or on top of one)
can you tell if the toilet drain pipes are white plastic.......Metal ?
Can you describe the building and property in general.......it's a multi unit...... ?stories high.........this is the bottom floor.....? above
Moderated by Handyman 
