Standing Seam Metal Roof High Winds
In wind uplift tests metal roofs earn a 140 mph wind rating according to the metal roofing alliance and some can withstand gusts up to 180 mph.
Standing seam metal roof high winds. Today s metal roofing is a strong choice for even the most vulnerable structure asserted robert zabcik pe in a recent white paper titled metal roofing performance and wind events. Architectural sheet metal manual sheet metal and air conditioning contractors national association. Obviously those in the zones will need roofs with the highest wind resistance ratings. Standing seam metal roof systems perform well in high wind conditions with hurricane season upon us and the tragic devastation that took place in the paths of hurricanes harvey and irma we d like to offer our prayers and good wishes for all those affected by these two powerful and destructive storms.
Standing seam is designed and installed as an interlocking metal roof system with no exposed fasteners. Standing seam panels are attached to the roof deck and held in place by concealed fasteners. Metal roof systems in high wind regions this recovery advisory addresses wind and wind driven rain issues. Standing seam metal roofs are not prone to corrosion or rust thanks to their normally higher quality coating and because there are no exposed fasteners.
Because each panel locks to the next panel this roof type has the highest wind rating available. Standing seam metal roof on a beach house with cedar shake siding there are essentially two camps in florida those that live in an hvhz and those outside of those zones. Like an airplane wing upon take off this effect draws the roofing panel upwards possibly damaging or tearing the roof. Modern corrugated and standing seam metal roofs are designed to stand up to.
The standing nature of the seams of this metal roof gives it more durability against flowing rainwater impacts from hails and more wind resistance against strong winds. Some commercial standing seam systems have been tested with winds over 200 mph. In 2004 the punta gorda high school suffered severe damage due to high winds from hurricane charley while the sallie jones elementary school less than 100 yards away with an englert standing. Standing seam metal roofs which offer superior protection against the elements fit this category.
As wind passes over the roof the pressure above the roofing system drops while the pressure below is increased through holes and entry points. Hurricane michael s strongest winds were 155 mph though as the storm came ashore gusts were in the 104 and 129 range.