The best products like synthetic felt to ensure that your roofing system will last for many years. A brand-new roof’s aesthetic appeal is just skin deep. It is only when severe weather strikes that a roof’s full strength becomes apparent.
From ferocious winds, torrential downpours, and intense heat to cold and snowy conditions, your roof withstands the abuse from severe weather. Indeed, we can consider such a resistance capacity as a good indicator of the house’s solidity.
Storms with severe winds may cause notable damage to roofs. Over time, high winds can harm shingles because the attachment points become loosened or weakened because of the strain. For example, the wind can lift a shingle, producing an aperture that continued exposure to the elements will weaken.
Shingles are vulnerable to wind damage because flying debris can pierce them and pull them away from their fasteners. The roof’s perimeter and corners are susceptible to damage from high winds.
A Metal Roof Can Endure the Elements, Including Wind and Rain.
Besides withstanding heavy winds, metal roofs may also survive the impact of hail or other flying debris. A standard metal roof system can resist gusts of up to 140 mph, whereas winds as low as 86 mph damage an asphalt roof.
Metal roofs are immune to torrential rains and water infiltration that powerful storms bring. Indeed, in hurricane-prone places, metal roofs have proven effective in reducing destruction.
Most building codes require three different tests for residential metal roofs in both High-Velocity Hurricane Zones (HVHZ) and non-HVHZ areas:
TAS 100 for wind and wind-driven rain resistance;
TAS 110 for salt spray and Xenon arc weathering; and
TAS 125 for uplift resistance for roofing panels and fasteners.
An independent lab in the presence of an accredited entity reviews and test the best metal roofing systems.
A Superior Installation Method Is the Key to Achieving Maximum Performance.
Metal roofing systems that use interlocking panels and fasteners that join at several locations are both highly functional and weatherproof. Panels that interlock with one another provide a strong connection that keeps the wind out. Moreover, the panels’ edge-to-edge attachment to the structure is secure thanks to several fastening points.
FEMA recommends that builders use a metal roofing system tested and certified to resist high wind speeds. Also, they must calculate load requirements under the building code ASCE 7 and make sure the underlayment and fastening components are adequate for the application.
Case Study – Derecho in Kansas
Across the Great Plains, havoc was wrought on Wednesday, December 5, 2021, when a record-breaking wind event caused widespread destruction.
Severe thunderstorms, gusty winds, flying dust, and even grass fires were the results of a derecho that struck many times in quick succession. Damage from a derecho is like an inland hurricane, with powerful winds blowing in a straight line and affecting a vast region.
From 2 p.m. until around 6 p.m., straight-line winds buffeted the area with gusts of 55 to 85 miles per hour.
Local structures suffered damage because of the strong winds. For example, a metal storage container was torn from its anchors and blown down the road. Besides, 75 power line poles were broken, causing widespread blackouts.
In 2019, businesses had the building’s front covered in a Pro Via metal roofing system. This roof withstood four hours of intense, straight-line winds and abuse from the dust storms, sustaining no structural or visible damage. The metal roof stood firm under hours of shear and straight-line winds, outlasting several nearby buildings.
To learn more about our services, don’t hesitate to call Legend Roofs at 405-352-7307 and get a FREE no-obligation estimate today. We service areas in Shawnee, Noble, Tecumseh, Oklahoma City, Norman, Moore, and Duncan, OK.
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