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Old 08-26-2017, 11:58 AM  
stevevz
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Default Options to Insulate Cold Bedroom Above Garage

Hello all, and thanks in advance for any advice offered.

I am about to tackle a notoriously cold bedroom above my garage once and for all. The current batt insulation up against basement ceiling (or under bedroom floor - depending on how you look at it) that is held in place by wire just isn't cutting it. This insulation is not enclosed (no gypsum board over it).

I found a solution I like that was posted by what appears to be an expert on the subject:

https://buildingscience.com/document...al-performance

However, I want to keep the 2" loss of ceiling height that both options in the article require.

I'd like to go with one of the two options as shown in my images. Is one better than the other?


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Old 08-31-2017, 08:46 PM  
CallMeVilla
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Have you considered closed cell sprayed foam insulation? You get complete coverage and depth which is superior in R value to insulation batts. Why use rigid and batts when you can simply fill the entire joist bay with foam.

Look at the charts from this web site showing R-value of materials and depth.
http://www.greatdayimprovements.com/...lue-chart.aspx
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Old 09-01-2017, 06:47 AM  
stevevz
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Hello. Thanks for the advice. Yes, I have considered the spray foam option. However, I find it far too expensive.
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