Installing Vapour Barrier In Attic

This means also the access hatch.

Installing vapour barrier in attic.

To assure proper protection of the vapor barrier you will need to cover the entire area of the attic. Adding a second vapor barrier could cause condensation to become trapped in the insulation between the two vapor barriers. You will see on which side is the vapor barrier. Attic insulation should always be installed with the paper backing facing toward the living space the ceiling in this case.

The inner surface in colder climates and the outer surface in hot humid climates. This acts as a barrier to keep heated moist air from rising up into the attic during cold weather. Vapor barriers are usually best installed on the side of the wall that experiences the hotter temperature and moister conditions. Never compress or fluff your insulation.

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. Not be trapped inside. If you are reluctant to use staples secure the barrier with duct tape instead. 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.

Gradually roll the barrier out and use your chosen method to secure it at regular intervals. Staple it into place. Vapor barriers in attics should only be installed on one side of the insulation.