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.
Does your floor need to be able to breathe.
If the subfloor is new it may need longer especially.
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.
Breathe easier about your flooring.
When it comes to insulating homes sealing them and providing proper ventilation a number of myths and old wives tales persist.
Most walls do need to breath from one side to allow any moisture from dew point condensate to dissipate.
2 walls have to breathe.
The need for materials that don t trap moisture is true for many houses.
Houses don t need to breathe but they do need to be able to dry out when they get wet.
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.
A flooring professional should be able to help do the research.
Choose products with little or no formaldehyde.
The other answers hit the nail on the head wood floors in basements or anywhere subject to moisture is generally a bad idea.
You say so your self in your foil faced polyisocyanurate example.
I highly recommend loose lay vinyl tile.
Nor will putting a rug over your floor.