Choose products with little or no formaldehyde.
Does your floor need to be able to breathe.
When it comes to insulating homes sealing them and providing proper ventilation a number of myths and old wives tales persist.
This low level of air leakage allows the home they say to be properly heated and cooled and to provide.
Breathe easier about your flooring.
A flooring professional should be able to help do the research.
The need for materials that don t trap moisture is true for many houses.
Allow the subfloor to dry for at least 72 hours after you remove an old floor covering and before you bring the new flooring into the room.
2 walls have to breathe.
Most walls do need to breath from one side to allow any moisture from dew point condensate to dissipate.
You say so your self in your foil faced polyisocyanurate example.
Nor will putting a rug over your floor.
If the subfloor is new it may need longer especially.
There are those who claim that houses need to allow in a certain amount of fresh air even with the windows closed in order to function properly.
The other answers hit the nail on the head wood floors in basements or anywhere subject to moisture is generally a bad idea.
Unless you re in a one way climate like minneapolis or miami putting plastic in your walls will trap moisture and grow things.
I just wanted to add one more vinyl floor variant that you should consider for a basement installation if you are already considering a click lock floor.