Photos by steve baczek.
Air tight attic access.
Illustration by tim healeythe attic access provides a portal to the attic space while being integral to the red line air barrier.
The finish panel visible from below does not have to be airtight.
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.
The access is in the ceiling probably in a closet and no one notices the draft.
You ll notice in the pictures below that now you.
The walls of the assembly also act as a dam to retain blown in insulation in the attic.
Often attic accesses are no more than a piece of painted plywood on a couple of cleats.
The single biggest leakiest hole in most houses is the attic access.
The finish panel visible from below does not have to be airtight.
Purchase some 2 4 interior door jamb stock from your local building supply centre or any shop that supplies.