Our currently uninsulated garage was attached to our house after the house was completed. That is, one of the interior walls in the garage still has the house's exterior siding.
Now I'm planning to install a ceiling and insulate the garage, and my question is: How should I connect the ceiling insulation and vapor barrier to the house wall?
The purpose of the vapor barrier is to prevent moist warm air from entering the insulation. My thought is that where the garage ceiling reaches the house wall, I would fold the barrier UPWARD so that any warm air from the garage would then seep between the house wall and the barrier and then up into the attic.
The garage will always be cooler than the house, so I don't think it's good to also have the barrier against the house facade.
Please correct me if I'm wrong! Tips and advice are gratefully received!
I had planned to lower the garage ceiling to 2.50 with sheet metal battens as the load-bearing cc 30.
Now I'm planning to install a ceiling and insulate the garage, and my question is: How should I connect the ceiling insulation and vapor barrier to the house wall?
The purpose of the vapor barrier is to prevent moist warm air from entering the insulation. My thought is that where the garage ceiling reaches the house wall, I would fold the barrier UPWARD so that any warm air from the garage would then seep between the house wall and the barrier and then up into the attic.
The garage will always be cooler than the house, so I don't think it's good to also have the barrier against the house facade.
Please correct me if I'm wrong! Tips and advice are gratefully received!
I had planned to lower the garage ceiling to 2.50 with sheet metal battens as the load-bearing cc 30.
Nope, this is what one should -always- avoid, introducing moist and, even worse, warm moist air to the attic. It usually inevitably leads to mold infestation.lars11 said:
That was at least the first thing I thought of when I read this question. I have to leave now, so I don't have time to think more about the issue. Then I believe many others are more knowledgeable about this problem.
no, I want to keep it a few degrees above freezing and be able to heat it up a little more if I'm going to do any projects out there. Today it gets below freezing in the winter and paint freezes, you can't work there, etc...
So, skip the plastic? Any downsides to that?
So, skip the plastic? Any downsides to that?
Yes, as I said, I think you should skip it. You typically skip if the space isn't heated to at least 13 degrees at all times. Moreover, it would be exceedingly difficult to get a working differential lock in your case.
But you can wait a couple of days and see if anyone else here thinks differently.
But you can wait a couple of days and see if anyone else here thinks differently.
You definitely shouldn't do that, as there is a great risk that moisture will accumulate in the wall. That's what I mean makes it a bit problematic if you still want a vapor barrier.
But still, I can't see a single reason in the world why you would put plastic in the garage.
But still, I can't see a single reason in the world why you would put plastic in the garage.