Insulation in Attic above the garage...

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  #1  
Old 05-31-05, 10:54 AM
tward_biteme1
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Insulation in Attic above the garage...

My attic has blown insulation in all but the part that is located above the garage.

Is there any added benefit to putting some insulation above the garage.

Is there any reason I shouldn't....?

Just trying to figure out why they wouldn't have done it in the first place.

The house was built in 1985.
 

Last edited by tward_biteme1; 06-01-05 at 09:14 AM.
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  #2  
Old 05-31-05, 04:46 PM
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Its not a heated/cooled area so doesn't really need it.
The walls between the house and garage should have insulation in them to separate the two areas.
Adding insulation above the garage would have very little effect at all and would probably be a waste of money.
A better approach would be to add a layer over the existing insulation in the attic.
 
  #3  
Old 06-01-05, 04:51 AM
tward_biteme1
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Even if the whole attic is open...? No wall between the attic over the house and the attic over the garage..
 
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Old 06-01-05, 06:15 AM
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You've already got your thermal envelope with the insulation above the living area and in the walls between the garage and the house.

Adding insulation above the garage would be about the equivalent of insulating the top of a deck. Pointless.

It really doesn't matter if the attic is open between the garage and the rest of the house or not. Add the insulation where it would have effect, over the living space.
 
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