Installing Attic Insulation With Vapor Barrier

Insulation radiant and vapor barriers insulating attic.

Installing attic insulation with vapor barrier.

Just bought this beach. Our insulation vapor barrier can also reduce condensation mold and degradation by controlling water vapor migration. Since some leakage of moisture into the insulation in inevitable murphy s law you want it to be able to freely escape from the insulation into the attic. Like some others that have posted i don t have a clue of the best way to insulate this attic.

Attic insulation should always be installed with the paper backing facing toward the living space the ceiling in this case. Attic vapor barrier detail for cold climates the best approach for a vented attic in a cold climate is installing a layer of drywall with a good coat of latex paint the paint creates a semi permeable vapor barrier. To install an efficient vapor barrier you need the dimensions of the room. This acts as a barrier to keep heated moist air from rising up into the attic during cold weather.

Vapor barriers in attics should only be installed on one side of the insulation. Not be trapped inside. The insulation fiberglass or cellulose is then placed on top of the drywall with no vapor barrier above or below. Adding a second vapor barrier could cause condensation to become trapped in the insulation between the two vapor barriers.

Insulation vapor barrier with radiant barrier. Do not overlook attic access door. Never compress or fluff your insulation.