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what-is-wind-load-of-my-building

The wind load is defined as the pressure (lbs/sq ft) applied to the outside of the building surface area. This is transferred from the wind speed in mph into pressure on the walls and roof surfaces. This pressure is taken by the Local Building Departments in the average of the last 5 to 7 years of data and normally called out as worst case condition in a 30 second gust.
The amount of this pressure strictly depends on where you live. Hurricane areas will range from 120 mph and could go up to above 200 mph, while the norm is 90 to 115 mph.