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Old 05-01-2014, 01:44 PM   #1
Briogaid Dearg
 
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Garage door insulation question


I have an attached garage and my bedroom sits above it. In TX summer heat my garage get very hot which makes my bedroom the hottest in the house.

I am looking at some reflective insulation at Lowes http://www.lowes.com/pd_13357-56291-...ier&facetInfo= (id have to buy several rolls)
and this http://www.lowes.com/pd_358650-199-1...ier&facetInfo= (pre cut and one box will do a door)

Which would you recommend or is there something different ? I cant tell with these products but from online pics I see one side may be white or both sides may be aluminium. If one side is not aluminium is that what goes to the door, right ?

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Old 05-01-2014, 06:23 PM   #2
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Garage door insulation question


Can be lots of other things causing it to be so hot.
Builder love to cheat out on the amount of insulation in a garage ceiling and not air seal or add a vapor barrier.
How much insulation is in the attic?
Is there a ridge vent and soffit vents?
Is there knee walls, and how are they insulated?

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Old 05-01-2014, 11:04 PM   #3
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Garage door insulation question


Quote:
Originally Posted by joecaption View Post
Can be lots of other things causing it to be so hot.
Builder love to cheat out on the amount of insulation in a garage ceiling and not air seal or add a vapor barrier.
How much insulation is in the attic?
Is there a ridge vent and soffit vents?
Is there knee walls, and how are they insulated?
There is about 12+" in the attic if I remember. The attic is soffit vented and im not sure about ridge vents, the rest of my house stays at good temps. There are knee walls.



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Old 05-03-2014, 11:00 PM   #4
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Garage door insulation question


Another option, fig.7; http://www.buildingscience.com/docum...n-crawlspaces/ then sleepers, 5/8" Type X drywall, air sealed; http://www.buildingscience.com/docum...wall-approach/

Gary
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Old 05-03-2014, 11:28 PM   #5
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Garage door insulation question


I live in Minnesota and have used this insulation to insulate my garage door. I could not be happier with the finished door. My garage is now much warmer in the winter and not as hot in the summer. In other words it works good. I recommend it!

http://www.texasgarages.com/akit.htm
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