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Originally Posted by speeder
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there is actually a lot to the design of a roof made to handle snow.. Our neighbor's house was a typical "A" frame (think original I-Hop restaurant), but it got squashed one winter in heavy snow. The optimum design is a 45 degree peak, and then another steeper angle that sheds snow off the sides. Most attics from 50 years ago are built with 2x4 rafters when you get up to 7,000 feet, and are still standing. You can go with heavier beams, but remember snow is heavy too.