Fixing Damaged Vapor Barrier In Attic

Apply a house wrap vapor barrier to exterior walls.

Fixing damaged vapor barrier in attic. Pro attic restoration places a vapor barrier to keep moisture out of the access space in your home. In removing the 4 inch by 12 inch piece of drywall of course i cut through the vapor barrier. As it is an outside wall there is a clear plastic vapor barrier. Caulk window trim and use weatherstripping to reduce air leaks.

Replace old windows with energy efficient units. 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. The insulation fiberglass or cellulose is then placed on top of the drywall with no vapor barrier above or below. 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.

For reasons that need not be discussed i need to repair the vapor barrier in my attic more like replace a section of it. If there is limited lighting find a way to provide more so you can see what you re doing. In circumstances where conditions inside a home or office are much different than outdoor conditions water. 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.

Most authorities now agree that vapor barriers are important under certain conditions but not necessarily as a whole house solution for every home. Resolution of the vapor barrier debate. A vapor barrier in an attic assembly in a severely cold climate with the absence of an air barrier will likely be ineffective. Some debate still occurs over how necessary vapor barriers are but a consensus is growing closer.

Repair of vapor barrier may require removal of more drywall i had to remove a piece of drywall next to the floor. The paper facing contains a layer of impermeable asphalt that prevents water vapor from passing through it. 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. Install siding over the insulation.

Pro attic restoration will install properly and create a protective seal that will block moisture as well as insects and rodents. Repairing attic vapor barrier. Attach 1 inch foam board insulation.