When the soffit contractor s workers got the first part of the soffit opened up i missed some of the sealing.
Air sealing attic edges.
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.
Poor air sealing is a problem for all seasons.
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.
Drywall clips support the edge of these pieces of drywall when they did not land on a truss.
It ensures a colder well vented attic space less prone to the formation of ice dams at the eaves.
Without air sealing your attic you are allowing warm air to escape from your home carrying with it your hard earned winter heating money.
Before i add insulation i seal the attic.
Understanding the air barrier.
Air seal your attic for energy savings.
Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.
Proper sealing is difficult but adding compressible self stick foam tape along the upper edges of the plywood door will help reduce air leakage.
Most people just add insulation to their attic this will not stop the escaping warm air.
And then seal the edges with foam sealant.
Sealing the ceiling so the attic insulation can work.
If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the.
Some holes are apparent like attic hatches or folding attic steps.
Conscientiously air sealing the attic ceiling after the drywall is hung before insulation makes getting to 3 ach50 much easier.
This leads to increased energy costs and a less comfortable home environment.
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.
In the summer and winter your home s conditioned or heated air will leak out through gaps in your home s sealing.
Then carefully seal the edges and seams with acoustical sealant.
Air sealing products that work.
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.
After air sealing attic ventilation is your second line of defence against the water vapour that may have found its way into the attic.
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.
