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A cool roof is any heat-reflecting roof that rejects solar energy more efficiently than traditional roofing (staying about 50 degrees cooler). Thanks to this ability, a cool roof will make your home cooler on a hot, sunny day. Cool roofs come in a variety of materials, including asphalt, wood, or polymer shingles, clay or concrete tiles, metal, and more.

Hail damage is bad for a roof because it can leave the roof vulnerable to the elements. Hail may leave more than dents or scratches behind. It can actually cause the shingles to crack, which means water can leak into your home from the roof. Hail can also wear down the granules on the shingles. Without these granules, the shingles are weaker and more vulnerable to the elements, particularly wind. If the hailstorm is accompanied by high winds, it may take your shingles with it.

The ridge is the horizontal line where two sloping roof sections meet at the top, forming the highest point of the roof. A hip, on the other hand, is the external angle formed where two roof sections meet and slope downward toward the walls, typically at a lower angle than the ridge. The ridge runs horizontally along the peak and the hip runs diagonally from the peak to the roof's edges.

The number of roof vents necessary for a 2,000-square-foot house depends on several factors. The calculation depends on the net free area within the attic and whether your municipality requires a 1/150 or a 1/300 ratio of venting square feet to attic square feet. If you install vents with a square-foot opening of one, you'll need either 14 or seven exhaust vents and an equal square-foot amount of intake vents.