12/31/2023 0 Comments Mobile home wind ratingWind Zone III equates to a 110-mph fastest-mile wind speed. Wind Zone II equates to a 100-mph fastest-mile wind speed. Wind Zone I equates to a 70-mph fastest-mile wind speed. The closer your home is located to the coast, the more likely your location will be in wind zone II. Generally, if you live in the middle of the country, you will be in wind zone I. The manufactured home producer designs the home to resist the wind load, which is measured in pounds per square foot. Homes located in wind zone III must be built to withstand up to 110 miles per hour winds because in these areas hurricanes are even more frequent. Wind Zone I, Wind Zone II and Wind Zone III are identified on the basic wind zone map above. The home must be capable of transferring these imposed lateral loads to the home’s stabilizing devices without exceeding the allowable stresses and other deflection requirements. Wind loads (a lateral load) must be resisted by the home. However, a Wind Zone I home cannot be installed in either a Wind Zone II or III area. Wind Zone I equates to a 70-mph fastest. Increased comfort Adding new mobile home insulation is not all about saving money. Refer to Appendix D for factors influencing wind load. ![]() The Basic wind speed map on page H-14 must be used to de- termine the basic wind speed (v) for the manu- factured home location. This number actually increases in older homes, since in many cases they’re poorly insulated to begin with. Wind loads must be based on values from ASCE 7-93. Homes designed and constructed to a higher Wind Zone can be installed in a lower Wind Zone (a Wind Zone III home can be installed in a Wind Zone I or II location). The manufactured home producer designs the home to resist the wind load, which is measured in pounds per square foot. According to the Insulation Institute, homeowners stand to save 15 on heating and cooling by adding insulation to the home. ![]() The appropriate wind zone used in design is dependent on where the home will be initially installed. The HUD Code stipulates, at §3280.305(c)(1) and §3280.305(c)(2), that the home shall be designed and constructed to conform to one of three wind load zones. ![]() The HUD Code stipulates, at 3280.305(c)(1) and 3280.305(c)(2), that the home shall be designed and constructed to conform to one of three wind load zones. Each manufactured home must be designed according to the federal Manufactured Home Construction and Safety Standards at, commonly called the HUD Code. Every manufactured home must be designed according to the federal Manufactured Home Construction and Safety Standards at, known as the HUD Code.
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