25' GROUND SET CONE TAPERED ALUMINUM FLAGPOLES with WIND CHART

The map below shows the maximum steady wind expected at an elevation of thirty feet above ground level within a fifty year period of recurrence. Areas with the same maximum constant or steady wind speed are indicated. Because wind speeds a re usually not constant, and gusts are involved, flagpoles ( both flagged and unflagged) are listed in this catalog with a constant wind speed and a 1.3 gust factor. “WARNING” - recommended flag sizes throughout this catalog do not represent a warranty that the flag size shown may be safely flown in all wind speeds. Personal injury, flagpole
damage or property damage can occur when flying over sized flags and banners or flying flags in higher winds than recommended.

Flagpoles and their associated wind speeds listed assume that ten percent of the overall length of the flagpole is buried per or recommendations at or near ground level. Special engineering may be required for other applications such as wall or roof mounted flagpoles. Please call, write or fax for a prompt response regarding any situation that may require special engineering.

Design of safe flagpoles requires knowledge of the loads to which they will be subjected. Principal load acting on flagpoles is wind load and that load must be carefully determined. Maximum wind speeds to which flagpoles are exposed depend on geographical location, whether or not it is in the center of a large city, a small town’s outskirts, seashore, at ground level or on the roof of a high building. Wind speeds generally are higher along coastal areas than inland. They are also higher in open country than in the center of cities. Wind speed also becomes greater as height above ground increases. Wind exerts a force on the pole as well as the flag, thus both loads must be added to determine total load. Flags of different
sizes are designed to be flown from different poles. Obviously, it is important that flagpoles be selected which are capable of supporting the largest flag intended to be flown in the highest wind speed to which it will be subjected. Loads on flagpoles are resisted by the mounting foundation, roof or wall to which it is secured.

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The Flagpoles Pictured Below are by Size and Desired Color Finish. 
Exposed Height x Base Diameter x Wall Thickness (The Thickness of The Aluminum)

From below select the desired flagpole.  Each flagpole indicates it's wind speed capability for both flagged and unflagged.  The attached chart is here to help you ensure the desired flagpole will meet the wind speed requirements for your area.  If you are unsure after reviewing the charts please feel free to ask our sales rep.