Hi Summer,
It is generally recommended that all homes have some sort of moisture barrier.
Whether it be a concrete slab or plastic completely covering the bare ground underneath. Now some manufacturers either do not recommend it at all, and some codes do not recommend it.
Personally, if your home is suffering from moisture then I would consider the vapor barrier if there is not one already in place.
As I said in the previous post in the winter it is especially important to use the exhaust fans while showering and cooking.
Just a quick reminder
![Very Happy :-D](./images/smilies/icon_biggrin.gif)
it' generally best when changing subjects or asking a new question to post a separate thread.
If you need further help or just want more info please post again.
Have a great night.
~Y~:-D