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I entered in a zip code that I know has a basic wind speed of 140 mph, but Roof Wind Designer gave me a value of 150 mph?

April 26, 2017BASIC code Designer MPH roof speed wind Zip

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I entered in a zip code that I know has a basic wind speed of 140 mph, but Roof Wind Designer gave me a value of 150 mph?

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Roof Wind Designer determines basic wind speed values by county. If two or more wind speeds occur in a particular county, the highest wind speed will be used. If do not want to use the default value, you can change it on the Basic Wind Speed page.