Future-Proofing with Lightning Protection Systems

Lightning protection is “one of the first ‘future-proofing’ building technologies,” according to John McManus. He should know — in his job as Editorial Director of Builder, Custom Home, Journal of Light Construction and other construction-oriented magazines at Hanley Wood, he is constantly scanning the horizon to identify trends in design and construction. His recent article… Read more »

Five things you didn’t know about lightning protection.

Part of an equestrian center, this clubhouse and locker room wing, built by Carolina Timberworks and Rod Kazenske, architect, has a lightning protection system to protect the stable, horses, members, and guests. The building required special attention to lightning protection due to the use of heavy timber construction. Lightning can be beautiful; nature’s own light… Read more »

Lightning in Desert

Lightning is a hazard almost everywhere in North America, even in deserts that receives only a few inches of rain a year. The danger is highlighted by this “Storm Danger” sign on the original Navajo Bridge (former U.S. Route 89A) in Marble Canyon, Arizona. Despite infrequent rain there, storms can produce prodigious lightning. The sign’s… Read more »

Top-Notch Lightning Protection System

Lightning protection installers hang out in high places, including the apex of tall chimneys, radio antennas, and church steeples. Lightning protection systems (LPS) in these exposed locations have to extend to the highest parts of the structures so the system can intercept lightning strikes before the lightning reaches the structure. To reach these rarefied heights,… Read more »

Electrical Storm Florence

There were more than 54,000 lightning strokes within Hurricane Florence in the three days between September 10 and 13, while the storm was still out at sea. If this intensity of lightning activity continued, it would have posed a significant danger to everyone in the path of the storm. Compared to the hazards of high… Read more »

Did Lightning Cause Collapse of Bridge in Genoa?

The Morandi Bridge, a major vehicular artery, collapsed in Genoa, Italy on August 14, 2018, killing at least several dozen people. A video that captured the structural failure shows what might be lightning striking the bridge as the fall begins.   In the immediate aftermath of a disaster, attention must focus on rescuing the injured,… Read more »

Fastest Growing Cities are at Risk For Lightning

Most of the Nation’s fifteen fastest growing cities are in areas with warm climates with moderate to high levels of lightning activity. In fact, 11 of the 15 fastest growing cities have lightning density of 8 or higher, indicating that buildings and population there are at significant risk for exposure to lightning. Builders, developers, and… Read more »

A Warning About Dissimilar Metals

NFPA 780 – Installation of Lightning Protection Systems, Paragraph 4.2.1 states, “Combinations of materials that form electrolytic couples of such a nature that, in the presence of moisture, corrosion is accelerated shall not be used.” Such combinations are commonly called, “dissimilar metals”, and the photo shows what happens when, for example, copper components are in… Read more »