thunderstorm Thunderstorms
roof deck nail gun

When it’s time to replace your roof, due to weather-related damage or simply age, follow the advice in this guide to improve the long-term performance of your new roof during hurricanes. Proper installation directly impacts a roof’s long-term performance.

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Asphalt Shingles

Shingles are the most popular style of roof covering. Whatever roof covering you use the condition and attachment of the materials are critical to roof performance.

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Flying debris is the biggest danger and cause of property damage from high winds during a thunderstorm. Replace gravel/rock landscaping materials and walkways with a softer material, such as mulch or dirt. During particularly strong hurricanes, gravel has been found in mail boxes and has even shredded vinyl siding. Trim trees and shrubbery away from buildings and remove any weakened sections of trees that might easily break off and fall onto buildings.

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Commercial building are just as susceptible to lightning strikes as homes. Risk factors including your location, frequency of lightning and thunderstorms, soil composition and building occupancy determine the need for a lightning protection system. State-of-the-art certified lightning protection systems are a part of the electrical system design of thousands of commercial and public facilities worldwide and are designed to maximize protection of life and property.

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research test

IBHS conducted the first high-wind test of commercial structures inside its Research Center. The test was intended to compare and contrast the high-wind performance of full-scale commercial strip mall–type structures; one was built using common construction practices and the other was built using stronger, safer wind-resistant elements. Actual high-wind events modeled after actual thunderstorm and hurricane conditions were simulated using IBHS’ 105-fan array.

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In August 2011, IBHS conducted a first-of-its-kind full-house examination of how wind-driven water penetrates common types of openings in residential roof systems. The study was modeled on real-world, post-event damage assessments in areas where winds were strong enough to blow off the roof cover, but not strong enough to tear off roof sheathing or decking.

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