Vapor Barrier For Basement Concrete Walls

Place the side with writing on it against the concrete wall. Does it matter then if we use faced or unfaced insulation between the studs.

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A capillary break and vapor barrier should be located under concrete basement floor slabs.

Vapor barrier for basement concrete walls. Crushed stone or coarse gravel acts as an effective capillary break and sheet polyethylene in direct contract with a concrete floor slab acts as an effective vapor barrier. No vb is perfect. Should i put vapor barrier on interior basement wall.

Be sure to use a moisture barrier when building out your basement. A vapor barrier against the concrete surface is generally recommended before wood framing or flooring materials are installed. I live in massachusetts and im finishing 34 of my basement.

Not to be confused with a vapor barrierwhich is placed on the warm side of the wall just in front of the insulation and behind the drywall a moisture barrier goes against the basement wall and behind the insulation and. Before framing the walls of your basement. Below grade walls and floor slabs transmit ground moisture through concrete walls or slabs.

On the exterior concrete walls i glued 2 in. Were finishing our basement and we have a vapor barrier installed against the concrete walls as advised. Dedicated vapor barriers have no place in a basement wall.

If you have more than one barrier in the thickness of the wall you will trap moisture in the middle. Heres lots of supporting evidence since this perspective appears to be controversial. For a basement that vapor barrier should be the waterproof membrane or coating on the outside of the concrete wall.

For reference my basement is currently finished with concrete exterior walls then charcoal colored wrapmaterial there seems to be an inch or two between this wrap and the exterior walls then stud framing with r12 batt insulation between the studs then a vapor barrier and finally drywall on top of the vapor barrier. However were using a foil based radiant barrier instead of foam. Very hot and humid climates may benefit from an exterior vapor barrier that keeps outside humidity from penetrating into walls.

Please note that the house wrap product should be reversed from what is shown here in video. Its not rocket science. Diycrew hrvdiy renovision controlling moisture is the easiest way to eliminate mold in a basement.

Xps foam extruded polystyrene before building the interior walls to create a thermal breakvapor barrier. Otherwise is it dangerous as it will trap moisture against a moisture sensitive element as i indicated. Visit our amazon store to find tools and products that jeff uses httpsamznto2yscgmo.

Only one vapor barrier maximum in the wall. Here is a great system to do that. If the basement wall is insulated on the outside then the vapor barrier is superfluous.

Ok people for the 957th time.

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