Preparing To Air Seal The Attic

Imagine that you have a small boat and steered it into a cluster of jagged rocks.

Preparing to air seal the attic.

Chances are your ceiling has the equivalent of a 2 ft. Air sealing the attic perimeter. Not being a pro i was going to just stay away from anything thermally hot like the furnace vent. Your focus should be on the attic when you begin air sealing.

Square hole that s acting like a chimney drafting expensive heated. You want to be paying attention to the big ones. Without air sealing your attic you are allowing warm air to escape from your home carrying with it your hard earned winter heating money. Air sealing the wall plate around the perimeter of your attic blocks air from escaping around the outer edges of your home.

Before you start adding any attic insulation you want to make sure that all or most air leaks have been sealed first. The boat suffers and has a few holes in the bottom of it. Small air leaks into uninsulated attic space are a major source of heat loss in many homes. Attic air sealing is the priority.

The first spot to check is where the floors meet the wall. Seal attic air leaks first. Investigate the perimeter of your attic. 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.

Attics are often under insulated and under sealed leading to wasted energy and wasted spend by the homeowners. Air seal your attic for energy savings. I was preparing to use caulk on narrow gaps top plates and spray foam on larger gaps penetrations for cables plumbing vent stack etc. Most people just add insulation to their attic this will not stop the escaping warm air.