When you think of your roof, you probably picture the visible, outer material which forms your roof surface. On many homes, this is asphalt shingles. Sometimes it's tile or metal sheets. This part of your roof is vital, but your roof does have some other important components, too. Insulation, for example, is a very important part of your roof. Keep reading for a closer look at roof insulation, what it's made from, and the important functions it serves.
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