Garage Ceiling Vapor Barrier Forum

I will not be heating in winter live in wisconsin so summers can be hot and winters can cold.

Garage ceiling vapor barrier forum.

A properly insulated garage is a safety must. R40 is good for ceilings. 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. If your garage is attached to your house the most important thing is to make sure it s sealed.

The ceiling is not insulated and does not have vapor barrier installed. I would like to insulate and drywall the walls. 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. Attached garage not finished except ceiling and walls adjacent to house.

Insulating an attached garage has some special considerations that you must address differently then a unattached garage. 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. Do i need vapor barrier in ceiling. But do remember the baffles at the eaves to ensure proper attic ventilation.

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. I build in a cold climate where many longtime builders swear that you shouldn t put a ceiling vapor barrier in. This is normally done because it s the most cost effective method to achieve the desired level of comfort and ease of installation.