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Vapor Barrier Above Or Below Insulation


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Vapor Barrier Above Or Below Insulation. A vapor barrier should be positioned on top of the rigid insulation, in direct contact with the concrete surface, to prevent moisture from wetting the insulation. In cold climates condensation is limited on the interior side of the vapor barrier as a result of installing all of the thermal insulation on the exterior side of the vapor barrier (which is also the drainage plane and air barrier in this assembly).

Warm Flat Roof Vapour Barrier Insulation Explained YouTube
Warm Flat Roof Vapour Barrier Insulation Explained YouTube from www.youtube.com

My thought is to put the vapor barrier between the strapping and truss. In cold climates condensation is limited on the interior side of the vapor barrier as a result of installing all of the thermal insulation on the exterior side of the vapor barrier (which is also the drainage plane and air barrier in this assembly). Mainly so that the electrical chases that you're creating with the.

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Warm Flat Roof Vapour Barrier Insulation Explained YouTube

Because extruded polystyrene insulating board will absorb little. Essential tips for vapor barrier placement over or under foam insulation. Because extruded polystyrene insulating board will absorb little. Should a vapor barrier go over or under insulation?

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