Include roof pitch roof geometry slope length and climatic factors such as heavy snowfall or rainfall.
Roof ridge detail.
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Whenever possible begin trim installation at the downwind end of the roof farthest away from the source of prevailing winds to al low flashing laps to face away from wind driven rain.
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Hip and ridge cap shingles 101.
The top end of each rafter is cut at an angle so that it meets flush with one broadside of the ridge board and the ridge is sandwiched between the rafters.
The gable detail shown in detail a is generally preferred since it minimizes water washing down the gable end.
Refer to the details.
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In traditional house framing also called stick framing a basic roof frame consists of opposing pairs of sloping rafters that meet at their top ends at a ridge board or ridge beam.
Collar ties rafter ties tension beams structural ridge beams.
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Ridge boards and beams.
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This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams.
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See the benefits of hip and ridge cap shingles a new roof is more than just shingles.
Hip ridge cap shingles accentuate the natural beauty of your architectural shingle roof and can even add dimension and depth to a 3 tab shingle roof learn more.
A typical standing seam with cleats.
Alternative gable rake and ridge seam are also shown in this detail.
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Some of these can support the roof and prevent ridge sagging and wall spreading.
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