Rigid foam Mold / Discussions

...foam insulation on basement walls is not a bad one. However, spray foam itself is a vapour barrier, so you wouldn’t need to apply a typical 6 mil polyethylene vapour barrier on the wall after the foam (though in some areas building inspectors may actually require it). And if you do choose to spray foam your basement wa...

...Foam Board Insulation over the bare concrete and leave the framed walls insulated as the are? 2. Install Foam Boards over the concrete and replace the foam in between the studs and maybe even put the existing fiberglass batt insulation back in the cavities over the foam? 3. Leave it as is and insulate the new wall that...

...rigid insulation against the wall to keep the moisture out. You have probably seen a few of the following pages but I’ll add them in case, and for anyone else reading along.  Preventing mold when you insulate your basement Building better basements: how to insulate your basement properly   How to Control Radon Ga...

...rigid foam to Install two inches of rigid insulation board directly against concrete.  A mold expert told me to put the board on top of the framing, not directly onto the concrete wall so the house can breath.  What is the right course of action? Thank you Can you please explain a bit better what the mold expert told y...

...foam board insulation with circumscribing spray foam in each rim joist (or maybe using purely spray foam to cover each rim joist). However, I can't tell whether XPS vs EPS would be "superior" for our basement walls and/or rim joists. I'm way less concerned about R-values or project cost than I am about moisture (and bu...