Air Sealing Attic New Construction

Homes are notoriously full of places for air to escape.
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. Sealing all the holes and seams between sheet goods such as drywall sheathing and subflooring with durable caulk gaskets tape and or foam sealants will reduce air leakage. This image shows how and where air can easily escape from a home s attic. Common air sealing strategies.
Air seal drywall to top plates at all attic wall interfaces to minimize air leakage. Before installing drywall install caulk or other sealant or a foam gasket to the face of the top plate then install the. In addition some types of insulation when densely packed in wall cavities and crevices can reduce airflow as well as heat flow. Combined with attic insulation air sealing can help to alleviate the formation of dangerous ice dams in the winter.
Compare with other projects. Install drywall then seal the seam from the attic side with caulk foam or drywall adhesive but not other construction adhesives. Common attic air leaks. Following are illustrations identifying common problems and what proper attic sealing and insulation should look like.