Do I Need Vapor Barrier In Unheated Garage. I'm plannig to insulate the outside wall and a half of the garage and i'm wonderring if a vapor barrier is really needed. If you have insulation already up where the garage meets the house then it should already have vapour barrier on the house side. To know if you need a vapor retarder, ask yourself a few basic questions:
From the 1970s through the early '80s, builders were taught that it was important to install a vapor barrier (usually polyethylene sheeting) on.
Unheated garages are never sealed to the elements and on damp misty days or raining the humidity in the garage is going yes, you can drywall an unheated garage. I already put vapor barrier and insulated the outside walls. If i want to put blown in fiberglass do i need anything between the drywall and the insulation? I want to install drywall in my garage do i need to install vapor barrier or not? However, you are insulating a garage with huge doors with big gaps so the issue is sort of mute! Is vapor barrier still a good idea even though its not going to be heated?? Suite to the unheated garage. To know if you need a vapor retarder, ask yourself a few basic questions:
