Air Sealing Attic New Construction

Combined with attic insulation air sealing can help to alleviate the formation of dangerous ice dams in the winter.

Air sealing attic new construction.

By air sealing in your attic you can stop many major air leaks and help to maintain the desired temperature throughout your home. Install drywall then seal the seam from the attic side with caulk foam or drywall adhesive but not other construction adhesives. Air seal drywall to top plates at all attic wall interfaces to minimize air leakage. Common attic air leaks.

Compare with other projects. In addition some types of insulation when densely packed in wall cavities and crevices can reduce airflow as well as heat flow. 9 out of 10 homes in the u s. Homes are notoriously full of places for air to escape.

Following are illustrations identifying common problems and what proper attic sealing and insulation should look like. Whether the project is new construction or a retrofit of an existing home there are dozens of places to check for potential air leaks and each of these areas has its own best solution for stopping a potential leak. A home energy company has proposed a solution that involves sealing air leaks in the bedroom ceilings attic floor sealing around the chimney weatherizing the attic hatch insulating a few roof areas that the builders missed and adding cellulose to the rest of the attic to bring it up to r 60. Common air sealing strategies.