You should install an underlayment before laying the floor but you may need to install transition strips.
How to lay wood floors over tile.
Solid floors are normally nailed to wood subfloors.
Stapling and nailing planks to your subfloor is the most common installation method for solid hardwood floors.
You can t exactly stick a nail through ceramic tile or concrete so these subfloors cannot support this type of installation.
Donna asks we are thinking about replacing our tile floor in the kitchen.
So instead of solid hardwood flooring consider installing engineered hardwood.
In this case another subfloor would have to be installed over the tile with a minimum thickness of 5 8 exceptions may include dealing with some of the more popular solid 5 16 products.
If the tiles aren t flat you need to level the floor using leveling compound.
I would suggest 3 8 thick prefinished engineered hardwood flooring.
In order to install a solid floor one would need a proper subfloor.
If installing over an appropriate wood surface sand the wood to make it smoother and remember that the installation will work better over a subfloor at least 1 1 8 inches thick.