Atlanta Roofing: Article About All About Roof Pitch
There's one glaring difference between the roof of a Swiss chalet and a traditional adobe dwelling of the American Southwest. One resembles a pointy triangle, while the other is completely flat. Both roofs serve to protect the interior of the building from the elements, but each contends with their unique climates differently. The major difference between the two extreme examples comes down to what is known as roof pitch. The pitch of a roof is its angle from the horizontal. Steeply pitched roofs are ideal for cold weather environments with heavy precipitation, while flatter roofs are best suited to drier and warmer climates. For situations in between the extremes, the pitch of a roof can affect many aspects of the house's overall design and utility. Homeowners uncertain what type of roof pitch would best suit their homes can consult with reputable Atlanta roofing experts for more personalized tips.
The primary difference between highly pitched and flatter roofs is how the force of gravity interacts with their differing angles. On a very steeply pitched roof, gravity can easily pull snow down off the roof. On a nearly flat roof, it's far more difficult for the same snow to slide right off.
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When snow remains on a roof, its weight can cause structural damage. In addition, melting snow can begin to seep through the roof, resulting in serious water damage. As a result, in any areas with significant snowfall, homeowners are well advised to opt for highly pitched roofing.
Even in areas with little to no snowfall, steeply pitched roofs may also prove useful. If a house is surrounded by towering trees, any leaves and other debris that falls on the roof will slide off more easily. On a very flat roof, this debris can collect in potentially harmful quantities, holding moisture and contributing to moisture damage or algae and moss growth.
Aside from the practical concerns of roof pitch, aesthetics can largely influence the architect's decision for a particular kind of roof. Certain architectural styles are traditionally best suited to certain types of roofs. In addition, the pitch of the roof influences the interior space within the attic area. Depending on whether the attic is intended as usable space, its pitch may provide extra room or reduce the attic to a bare crawlspace. Finally, roof pitch can determine which roofing materials are best suited to the house. Built up or torch down roofing materials are most often used on extremely flat roofs, while wood or slate shingles are primarily used on steeply pitched roofs.