Owens corning ecotouch insulation is soft to the touch easy to cut and install. Vapor barriers are sheets of plastic or other material placed on one side of insulation sheets.
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Insulation Buying Guide
No Vapor Retarders On Interior Side Of Air Permeable Foundation
The paper facing contains a layer of impermeable asphalt that prevents water vapor from passing through it.
Vapor barrier over faced insulation. Install our insulation with confidence knowing that over 70 years of innovation and experience has gone in the making of ecotouch insulation. Attic insulation should always be installed with the. 20 mil crawl space vapor barrier.
Do not add a vapor barrier on top of the insulation in your attic since the paper facing on the existing insulation is the vapor barrier. A vapor barrier or vapour barrier is any material used for damp proofing typically a plastic or foil sheet that resists diffusion of moisture through the wall floor ceiling or roof assemblies of buildings to prevent interstitial condensation and of packagingtechnically many of these materials are only vapor retarders as they have varying degrees of permeability. This barrier is meant to keep moisture from getting to the insulation in the walls and ceilings and it is required by building codes when insulating most houses.
20 vapor barriers are the most sought after thickness for encapsulating the crawl spacewhile most of these crawl space vapor barriers claim to be 20 mils thick 020 inches they actually fall short if you were to measure the actual plastic. The r 13 faced batt insulation is comprised of pre cut widths to fit between the studs and joists in your home. Ecotouch insulation is the reinvention of fiberglass insulation from owens corning the industry leader that invented fiberglass insulation.
Where it is located in an assembly and its permeability is a function of climate the characteristics of the materials that comprise the assembly and the interior conditionsvapor barriers are not typically intended to retard the migration of air. When it comes to climate moisture the american west is a region of extreme opposites ranging from californias death valley the hottest and driest location in the western hemisphere to the marine climate of the pacific northwest which typically has the highest annual rainfall in the united states. The function of a vapor barrier is to retard the migration of water vapor.
Keeping wall cavities dry prevents problems with mold wood rot. During the energy crisis of the 1970s a prevailing belief took root where it was thought that tightly sealing walls and ceilings with a vapor barrier was essential to blocking heat transference and reducing energy costsit was soon determined however that unless the seal was absolute moisture that did get into sealed walls could create serious structural problems and health issues such as.
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