The Next Hurricane – The question is “When” and "Where", not “If”.
Hurricanes are a part of life along the US Gulf Coast and Atlantic seaboard. On average, the number of landfall hurricanes is expected to be between 1 and 2 each year. Of these, most hurricanes are expected to make landfall along the Gulf or Florida coast lines.
Florida is expected to have 6 to 7 hurricanes make landfall every 10 years on average. Of these, most (4 to 5) are expected to have winds at or below maximum CAT 2 wind speeds (110 mph). Of the major hurricanes (CAT 3 & up), most are considered more likely in the shaded areas of the map to the right. All hurricanes, regardless of classification, can cause considerable damage.
Where & When - 5 year, long term average
Building codes are based on the probability of maximum winds speeds exceeding key levels. The map to the right is based on the building code distribution of wind speeds across the state of Florida. The percentages noted on the map reflect the probability that the designated hurricane threshold will be exceeded over a 5 year period. Example: The FL Keys are expected to experience wind speeds at or above CAT 2, on average, about once every 5 years.
AeroEdge® - Game Changer
AeroEdge® can't change "when" or "where" the next hurricane strikes, but it will significantly reduce roof damaging uplift forces that account for a disproportionate amount of all estimated wind losses which, in turn, drive insurance costs. In many cases, the total cost of installation can be less than the wind storm deductible.
For new buildings and planned re-roofing projects, the differential cost of installing AeroEdge® is even less when compared to other UL™ certified, building department approved roof edging, fascia and coping. (See "Cost Effective Hurricane Protection" for more details.) At a minimum, AeroEdge® reduces the scenarios that trigger insurance deductibles and, perhaps more importantly, reduces the likelihood of business interruption immediately following a hurricane. Given the 5 year long term probabilities illustrated above, the estimated savings in deductibles alone can easily justify the 5 year amortized cost of AeroEdge®.
By reducing the maximum uplift forces across all wind speeds, AeroEdge®, in effect, can reduce the geographic spread exposed to these uplift forces. Using the 2004 hurricane season as an example, the total reduction in high uplift foot prints was reduced by between 40 & 50%. When comparing two similar adjacent buildings one with AeroEdge® and the other without, the net effect would be as if the AeroEdge® building was in a completely different wind field. Click here for a map showing 'as if' wind uplift fields for 2004 CAT 4 Charley.
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