Air Sealing Attic Reddit

Attic space insufficient attic insulation poor air sealing and uninsulated ductwork are all common problems that will lead to uncomfortable rooms and make your home less efficient.

Air sealing attic reddit.

Seal insulate and reduce energy costs how to seal your attic. I hired a company to come in and air seal everything and blow in a shit ton of insulation 16. If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the. By air sealing in your attic you can stop many major air leaks and help to maintain the desired temperature throughout your home.

Attics are often under insulated and under sealed leading to wasted energy and wasted spend by the homeowners. It d run all day. Sealing duct leaks can improve the efficiency of your hvac system by around 20. Keep your home comfortable and critter free by air sealing attic hatch doors which can be real air leakers between a bedroom ceiling and the attic.

The gap between the ceiling drywall and the top of the wall that is taped and invisible from inside also apparently leaks air. Air sealing your attic and ducts installing blown cellulose insulation and insulating ductwork will eliminate these problems. It blew really cold air but couldn t keep up with the heat. I then hired an energy auditor to come out and he said it was the air sealing and insulation.

If you have ducts that aren t sealed you are probably leaking a lot of conditioned air into your attic space. Imagine that you have a small boat and steered it into a cluster of jagged rocks. Attic air sealing is the priority your focus should be on the attic when you begin air sealing. Attics are like a superhighway for unwanted air and pests.

For that space if all the insulation in there now is coming out and being totally replaced as part of the insulation job so the attic floor will be completely exposed anyway for roughly 3000sf of attic normal air sealing cost would probably be in the 250 400 range depending on whether your attic was used for ducting and wiring runs or not. A home energy company has proposed a solution that involves sealing air leaks in the bedroom ceilings attic floor sealing around the chimney weatherizing the attic hatch insulating a few roof areas that the builders missed and adding cellulose to the rest of the attic to bring it up to r 60. Air leaks into the walls via penetrations like outlet boxes and then escapes to the attic via penetrations in the top plate. Combined with attic insulation air sealing can help to alleviate the formation of dangerous ice dams in the winter.

Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.