How Wind Resistant Are Metal Roofs

A standing seam roof and the water shedding roofing system.

How wind resistant are metal roofs. Using systems that not only have been tested to the correct tests but using systems that have uplift resistance greater than the design loads is key to a successful installation and. Standing seam metal roofing is made of metal sheets folded or crimped together at the edges and the metal shingles on metal shingle roofs interlock with each other. Get it for every project you install. We can t control the weather but we can take measures to make a new asphalt shingle roof more wind resistant.

It is also water resistant which can help you against the rain. In addition metal roofs don t need the periodic costly maintenance that other roofing materials often require. Wind loads and wind resistance information is necessary to verify code compliance. Use metal roofs with a solar reflectance index sri equal to or greater than 78 for low slope.

There are two types. Metal roof systems in high wind regions april 2009 page 5 of 5 sustainable design cool roofs. Designing a legal metal roof system. Roofs in high wind regions areas that experience wind gusts greater than 90 mph according to fema are the most susceptible to this type of damage.

These strong connections between elements add to metal roofing s resistance to wind damage. Some metal roofs can sustain wind gusts up to 140 miles per hour will not corrode or crack and may be impact resistant depending on which metal you choose. Hurricane michael s strongest winds were 155 mph though as the storm came ashore gusts were in the 104 and 129 range. 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.