Roof Pitch

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Roofs that pitch between 8/12 and 9/12 are most resistant to high winds because that’s the sweet spot between taller roofs that fail by being pushed over and shallower roofs that fail by getting sucked up off the building. If rooms are built into a roof, however, the walls stiffen it enough that it can be as much as 12/12 and be equally strong. That’s why pitches in this range are so common in traditional architecture in areas subject 

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