Solid flooring  :     Advantages

•  All forms and dimensions possible
•  Get's more beautiful with ages
•  Low cost repair
•  All finishes : grey, hand-scraped,old finished,...
•  Support beams can be far removed

                                Disadvantages

•  more expensive
•  a bit less stability , however more elastic , don't break in low moisture conditions 
•  a lot of work to install 

Multi-layer parquet :  Advantages

•  cheaper , pay attention large quality variation
•  less time to install
•  good stability but problems in low moisture conditions

                                      Disadvantages

•  Risk to break in low moisture conditions
•  Not so hard in use, to soft under-layer
•  Difficult and expensive repair in time
•  Reduced possibilities in forms and sizes
•  Synthetic look after several years