Air Tight Attic Access

Photos by steve baczek.

Air tight attic access.

You ll notice in the photo below that interior door jamb stock does not have any kind of weather stripping in. You ll notice in the pictures below that now you. Purchase some 2 4 interior door jamb stock from your local building supply centre or any shop that supplies. Or they rarely connect the cold drafts on the first floor of the house with the attic access upstairs.

Tim healey the attic access provides a portal to the attic space while being integral to the red line air barrier. The access is in the ceiling probably in a closet and no one notices the draft. The single biggest leakiest hole in most houses is the attic access. The walls of the assembly also act as a dam to retain blown in insulation in the attic.

Most homeowners and builders don t recognize how much conditioned air escapes through an attic access. Illustration by tim healeythe attic access provides a portal to the attic space while being integral to the red line air barrier. Often attic accesses are no more than a piece of painted plywood on a couple of cleats.