Fixing Damaged Vapor Barrier In Attic

As it is an outside wall there is a clear plastic vapor barrier.

Fixing damaged vapor barrier in attic.

The paper facing contains a layer of impermeable asphalt that prevents water vapor from passing through it. Some debate still occurs over how necessary vapor barriers are but a consensus is growing closer. Apply a house wrap vapor barrier to exterior walls. In removing the 4 inch by 12 inch piece of drywall of course i cut through the vapor barrier.

Attach 1 inch foam board insulation. Looking for best practice for fixing a section here not the cheapest way nor the nuclear option of rip it all out and start again. Repairing attic vapor barrier. Caulk window trim and use weatherstripping to reduce air leaks.

Remove any transferable items from the attic so that they do not get in the way as you work. Install siding over the insulation. Repair of vapor barrier may require removal of more drywall i had to remove a piece of drywall next to the floor. In circumstances where conditions inside a home or office are much different than outdoor conditions water.

Continue reading below our video of the day. Pro attic restoration places a vapor barrier to keep moisture out of the access space in your home. 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 in an attic assembly in a severely cold climate with the absence of an air barrier will likely be ineffective.

The insulation fiberglass or cellulose is then placed on top of the drywall with no vapor barrier above or below. Begin the process of fitting a vapor barrier for attic insulation by preparing the space for the job. For reasons that need not be discussed i need to repair the vapor barrier in my attic more like replace a section of it. Replace old windows with energy efficient units.

On the other hand an air barrier a properly detailed air tight drywall ceiling for example in the absence of a vapor barrier can be effective since it stops the flow of vapor laden air. 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. Most authorities now agree that vapor barriers are important under certain conditions but not necessarily as a whole house solution for every home.