EPS foam / Discussions

...EPS cause concrete freezing issues given concrete is always "wet". Wet being wicked from footing or migrating from soil through concrete wall. House is 1976 raised bungalow build. Basement floor is approx 4 ft below grade. Exterior bitumen concrete paint likely failed. 2" EPS glued top to bottom of concrete walls, 2x4 ...

...EPS foam. Mineral wool lets the moisture move right through it, EPS foam would be a perfect 2/3rds vapor barrier. That would be assuming you install at least 4 inches (about R24) if you have an 8 inch wall. This particular option for attaching rigid EPS foam panels to the exterior of a house has a metal rail in the cen...

...EPS 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 ...

...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...

...foam insulation and have no plastic barrier? Would it be wise to pull down all the insulation in the meantime to dry things out or would that cause other issues? We live in the GTA. Thank you, Aaron Your feelings are correct unfortunately, that is the wrong way to insulate a basement. Moisture is building up in the ins...

...foam them (like you it's not our first choice but it works) or you can cut pieces of foam boards and place them between the joists and seal them with acoustic seal. The acoustic seal can be messy to deal with but it really works well and stays flexible. We always prefer EPS foam boards since XPS foam has higher greenho...

...EPS mounted against foundation wall. 2) Single EPS pieces flush against rim joist, horizontal along wood sills and then connected to vertical EPS against concrete. Batting added after framing and inside rim/cripple wall cavities.  3) Sealing & batting first, then 2" EPS. EPS continues vertically straight from sla...

...EPS under floors. Walls have no insulation, siding is T-1-11 from the sixties would like to put 1 inch EPS under vinyl siding. the building is pretty well built. no sagging parts no gaps no structural issues, drywall in good shape. would the 1 inch EPS under vinyl siding be a problem with condensation on inside of wall...