Best Way To Seal Attic Door

If you have pull down attic stairs or an attic door these should be sealed in a similar manner.

Best way to seal attic door.

Gaskets are generally more durable and produce a tighter seal. The standard air sealing recommendation is to install a compression bulb weatherstrip. Staple long pieces of duct tape sticky side up onto the attic scuttle door. Wrap insulation in plastic.

Air seal the hatch perimeter the plywood hatch rests on a small wood strip lip. Treat the attic door like a door to the outside. Plug the big holes first. Then add insulation batting to form a pillow and wrap it up like a birthday present as shown.

Use canned minimally expanding spray foam daptex plus window door foam sealant 7 for 16 ounces. Weatherstrip the edges and put a piece of rigid foam board insulation on the back of the door. Once you have the materials you can begin to seal and insulate the knee wall access door through these steps. Highly sticky foam tape is a great weather proofing alternative to doors that may be slightly warped and don t have a true and snug fit.

From inside the attic check for any openings holes or fenestrations into the knee wall surrounding area. Apply weather stripping to the door to create a seal. The gaps between the edges of the access doors and the trim surrounding the. The door hatch should close all the way pressing down on the gasket to create a full seal.

Rease scuttle hole covers and pull down attic stairs loosely fit into the attic access hole they are covering. Plug open stud cavities. Add foam insulation tape around the edges to seal the perimeter where it rests in the access hole. Pre made insulated attic stair covers are also available from local home improvement centers or on the web.

Long piece from a batt of unfaced fiberglass insulation and fold it at the bottom of a 13 gallon.