Preparing To Air Seal The Attic

You want to be paying attention to the big ones.

Preparing to air seal the attic.

Small air leaks into uninsulated attic space are a major source of heat loss in many homes. Don t worry too much about the small leaks. The boat suffers and has a few holes in the bottom of it. Not being a pro i was going to just stay away from anything thermally hot like the furnace vent.

Square hole that s acting like a chimney drafting expensive heated. Attics are often under insulated and under sealed leading to wasted energy and wasted spend by the homeowners. Seal attic air leaks first. Chances are your ceiling has the equivalent of a 2 ft.

Attic air sealing is the priority. Your focus should be on the attic when you begin air sealing. Air seal your attic for energy savings. It s usually the hardest place to air seal because the cramped space underneath the eaves where the roof rafters rest on the outer wall makes it hard to move your hands and head.

Air sealing the wall plate around the perimeter of your attic blocks air from escaping around the outer edges of your home. Without air sealing your attic you are allowing warm air to escape from your home carrying with it your hard earned winter heating money. Investigate the perimeter of your attic. Imagine that you have a small boat and steered it into a cluster of jagged rocks.

I was preparing to use caulk on narrow gaps top plates and spray foam on larger gaps penetrations for cables plumbing vent stack etc. The first spot to check is where the floors meet the wall. Most people just add insulation to their attic this will not stop the escaping warm air. Air sealing the attic perimeter.