Attic Air Sealing Foam

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.

Attic air sealing foam.

Air sealing your attic and ducts installing blown cellulose insulation and insulating ductwork will eliminate these problems. Seal insulate and reduce energy costs how to seal your attic. Most people just add insulation to their attic this will not stop the escaping warm air. Attics are like a superhighway for unwanted air and pests.

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. One huge benefit of the spray foam insulated attic is that conditioned air leakage from the ac furnace duct system is contained and used to condition the attic. Use canned minimally expanding spray foam daptex plus window door foam sealant 7 for 16 ounces. We spray foam around most of these including around light fixtures bathroom fans open wall cavities and plumbing stacks.

Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11. 1 many contractors don t know enough about building science or the products they use. Spray foam is considered a high end insulation because of the cost and because it is seen as a fix all solution for insulation or air sealing. You might also notice some patches of ice or frost.

In a vented attic all of that expensive airflow is lost to the environment. 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. Air seal your attic for energy savings. Foam or caulk small gaps in your attic while most of the air leaks in your attic are probably covered up by insulation you can detect these air leaks by looking for patches of dirty or dark insulation.

Attic air sealing lights fans plumbing stacks chimneys etc. Any hole in your ceiling is called a thermal bypass or air leak. When we seal the attic with spray foam it s as tight as a butter tub. Air sealing the most common attic air leaks electrical plumbing and hvac contractors use your attic to conceal the wires pipes and ducts that comprise the mechanical systems in your home.

During the construction of your home they drill and cut holes through the walls to run these pipes and wires. Apply self adhesive foam weatherstrip tape to the top edge of the stop.