Air Sealing Attic Edges

Poor air sealing is a problem for all seasons.

Air sealing attic edges.

An energy assessment provides answers a professional home energy assessment by a resnet certified energy professional is the best way to evaluate your energy consumption providing you with a comprehensive assessment of your home s energy performance. Conscientiously air sealing the attic ceiling after the drywall is hung before insulation makes getting to 3 ach50 much easier. After air sealing attic ventilation is your second line of defence against the water vapour that may have found its way into the attic. Proper sealing is difficult but adding compressible self stick foam tape along the upper edges of the plywood door will help reduce air leakage.

Before i add insulation i seal the attic. Without air sealing your attic you are allowing warm air to escape from your home carrying with it your hard earned winter heating money. This leads to increased energy costs and a less comfortable home environment. When you re done sealing your attic bypasses push the insulation back into place with an old broom handle or stick as you back out of the attic.

Proper sealing is difficult but adding compressible self stick foam tape along the upper edges of the plywood door will help reduce air leakage. Drywall clips support the edge of these pieces of drywall when they did not land on a truss. Most people just add insulation to their attic this will not stop the escaping warm air. A professional home energy assessment by a attica green solutins is the best way to evaluate your energy consumption providing you with a comprehensive assessment of your home s energy performance.

And then seal the edges with foam sealant. Air seal your attic for energy savings. Before the last drywall sheet was hung i went up in the attic and used spray foam to air seal all of the edges of the drywall to the top plates of the walls as well as all the seams between the sheets and around electrical gang boxes. To keep the attic vented and get the top plate sealed and insulated from outside would be important but tricky.

It ensures a colder well vented attic space less prone to the formation of ice dams at the eaves. Then carefully seal the edges and seams with acoustical sealant. In the summer and winter your home s conditioned or heated air will leak out through gaps in your home s sealing. Air sealing products that work.

Understanding the air barrier. If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the. There are a lot of holes gaps and cracks that leak a lot of air. Ventilate the attic 1 sqft per 300 sqft of attic floor space balance at ridge and soffit areas.

When the soffit contractor s workers got the first part of the soffit opened up i missed some of the sealing. Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.