Quote:
Originally Posted by Bay Kid
Just curious why not insulate above the garage? Wouldn't that help cool the garage?
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The theory for adding attic insulation above the garage is to slow the heat transfer from the hot attic into the garage. With insulation, that certainly occurs in some degree. But the practical decision is whether that benefit is worth the cost of the insulation. The trade off is subjective.
I recently added insulation to the garage door and attic above the garage and can feel a noticeable difference in the garage temperature. I believe both have an effect on the garage temperature but I don’t know whether the door insulation or attic insulation has a bigger effect. My garage door faces the sun in the afternoon.