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-   -   Garage insulation (http://www.diychatroom.com/f103/garage-insulation-100357/)

Army80 04-02-2011 10:04 PM

Garage insulation
 
I'm Renovating my garage. I have a question regarding the insulation in the ceiling. I have a bedroom above the garage... There is Insulation between the joists but no vapor barrier. Where does the vapor barrier go? On the warm or cold side? If it's the warm side how would I ever install it now?

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Gary in WA 04-02-2011 10:33 PM

Welcome to the forum! Why do you suspect you need a vapor barrier?

Where are you located?

You should have 5/8" drywall Type X for fire stop installed already......

Gary

Army80 04-02-2011 10:48 PM

The previous owner installed 1/2" drywall in my garage. Did a horrible job at that. I removed it all today. I noticed no vapor barrier. I thought it was a requirement. It does get quite cold in the winter in the bedroom above. I am located in Toronto. I'm thinking about spray foaming it.

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Gary in WA 04-02-2011 11:01 PM

I hope you are not driving while.....

I would check locally, you need to know exactly what is required. I'll guess: Type X gypsum with a 6mill. barrier on the heated side. Foam will satisfy the B.D. depending on thickness for your Code.

Gary

Army80 04-02-2011 11:32 PM

Not driving! Too dangerous! Thanks for your help. I will check the code here. Cheers.

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polkaroo 04-17-2011 03:32 PM

Quote:

Originally Posted by Army80 (Post 622114)
The previous owner installed 1/2" drywall in my garage. Did a horrible job at that. I removed it all today. I noticed no vapor barrier. I thought it was a requirement. It does get quite cold in the winter in the bedroom above. I am located in Toronto. I'm thinking about spray foaming it.

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Hi,

Did you end up spray foaming? If so, did you do yourself or contract this out (may be a silly question since this is the DIY chatroom)? I am also experiencing cold in a kitchen over the garage. I want to re-insulate, thus doing some research.


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