My house is hot in the southern United States. Trying to add insulation in the attic space during the summer almost killed me last year. The attic was so unbelievably hot. I have developed a roof leak and was thinking about a metal roof on top of my current roof. I was wondering why a metal roof can’t be installed on braces a few inches above an existing roof to function as a roof and shade. The airflow between the two would have to cool the attic, much better than if the heat radiated through straight to the shingles and plywood. We bought a sunshade for our back patio, and I’ve thought about even something as simple as that over smaller homes could drastically help.
In: Engineering
Shade trees and better attic ventilation. The trees are going to take a while, so look into better ventilation for your attic. If your attic is hotter than the outside air, then it should be flowing outside in at the eaves and outside air at the peak. There are passive and active ways of doing this. The advantage of the active way is that you can shut it off in the winter to keep the heat inside the attic.
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