Garage Ceiling Vapor Barrier Forum

Should you put a vapor barrier in an insulated ceiling or not.

Garage ceiling vapor barrier forum.

I will not be heating in winter live in wisconsin so summers can be hot and winters can cold. This is normally done because it s the most cost effective method to achieve the desired level of comfort and ease of installation. Level of ceiling insulation for garage workshop if you re going to keep heat in there then you probably want to insulated it just like a house. I build in a cold climate where many longtime builders swear that you shouldn t put a ceiling vapor barrier in.

I would like to insulate and drywall the walls. Attached garage not finished except ceiling and walls adjacent to house. Vapour barrier is on the top of the rafter then insul then board if heating garage insul vapour then board need hatch for summer to let out hot air i m a insulator typar is a better product in a. The reasons go something like because you have to let the moisture escape or because the house has to breathe out the top what do the experts say.

Insulating an attached garage has some special considerations that you must address differently then a unattached garage. Insulation radiant and vapor barriers garage vapor barrier all i am in the process of redoing my garage and was curious about putting up a plastic 4 mil poly vapor barrier. A properly insulated garage is a safety must. The traditional way to insulate the walls and ceiling of a typical garage is to install fibreglass batt insulation in the walls and attic space followed by a six mil poly air vapour barrier and drywall.

But do remember the baffles at the eaves to ensure proper attic ventilation. The ceiling is not insulated and does not have vapor barrier installed. The most important issue is that attached garages must have a system in place to keep carbon monoxide co from a running vehicle inside the garage from filtering through the walls and ceiling into the house.