2/12/2023 0 Comments Metal roof attachmentAn effective LPS not only protects roofs, walls and other structural components from direct lightning strikes, but it also shields electrical circuits, communications, process control systems and other elements that are vulnerable to indirect strikes. ![]() When lightning strikes, an LPS offers assurance. The anchoring sections of metal roofing and siding systems are not constructed to carry current because, in most situations, the thickness of the metal used is insufficient to provide a guaranteed path for lightning. Arcing and side-flashing can occur without the continuous preferred path to ground provided by LPS. While a building's structural steel will conduct lightning, it is the bonding, interconnection and grounding provided by a lighting protection system (LPS) that will dissipate lightning's harmful electricity safely to ground. Metal roofing materials are non-combustible, so if a metal roof does get struck by lightning it is less likely to result in a fire than other types of roofing materials. ![]() Metal roofs are no more attractive to lightning than any other type of roofing material. Some people falsely believe that metal roofs can increase the risk of a lightning strike. Besides property damage, a large part of the total cost is from facilities downtime and business operations interruption. industry and property is continually rising. ![]() ![]() The risk of lightning damage and the disruption to the U.S. The result of the electrical flow can be millions of volts and its costs can be billions of dollars of lightning-related damage annually. Lightning is a flow of electrical current between the earth and the sky.
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