XPS foam / Discussions

...foam (Expanded Polystyrene)  and XPS foam, see the differences here –  The difference between Polyiso, EPS & XPS Foam Insulation & Styrofoam But here’s the short story – XPS will work fine.  Put it right against the concrete, it will save energy in heating, make you more comfortable and prevent moisture in the ...

...foam board in between my studs and tac nail it? You could put foam between the studs, but why not batts? Were you choosing foam due to reading here about using foam on basement walls to stop vapor from migrating into walls? If that’s the reason, I would sooner try to slip a sheet of 6-mil polyethylene vapor barrier beh...