How To Insulate The Attic Door

Apply weather stripping to the door to create a seal.

How to insulate the attic door.

Then add insulation batting to form a pillow and wrap it up like a birthday present as shown. To insulate an attic get some batting made out of mineral wool fiberglass or recycled foam. You ll want to buy enough batting to lay at least 10 to 14 inches over the entire space. Add fiberglass or rigid foam.

In the case of a knee wall door insulate the walls. From inside the attic check for any openings holes or fenestrations into the knee wall surrounding area. Step 1 apply weather stripping. First install foam weather stripping on the inside of the trim or directly onto the hatch.

There are different ways to accomplish this. Here s how to do it yourself. To insulate an attic hatch you need weather stripping rigid foam board and fiberglass batt insulation. Here s one good method.

Staple long pieces of duct tape sticky side up onto the attic scuttle door. If you have pull down attic stairs or an attic door these should be sealed in a similar manner. Once you have the materials you can begin to seal and insulate the knee wall access door through these steps. Cut a piece of fiberglass or rigid foam board insulation the same size as the attic hatch and nail or glue it to the back of the hatch.

Check for air leaks and wood stops. Weatherstrip the edges and put a piece of rigid foam board insulation on the back of the door. Fortunately there are kits available to insulate these kind of doors. Additionally purchase some loose fill insulation to insulate corners and angles where the batting won t fit.

Despite both of these attic doors being easy to insulate many contractors don t do it. Use spray foam to air seal these openings if they exist. This ensures a tight seal between the door and the opening. Add foam insulation tape around the edges to seal the perimeter where it rests in the access hole.

You can check for air leaks with a lit incense stick or a thin.