The smell of smoke in connection with fire damage can originate from many different building materials.
The flue gases that are formed have different chemical compositions and some of these are easy to remove, while others may be completely impossible to remove. It is therefore best to remove as much smoke- and soot-damaged material as possible from the home.
After which it may be necessary to try with as well ProtoxAbScent as ProtoxHysan, to see if it is possible to remove the residual smell.