Lightning Rod Roof System

They must be located at the highest points on a roof.

Lightning rod roof system.

The lightning rod is connected with a cable to the earth below where it can channel the charge to a safe place. The most obvious above roof components are air terminals formerly called lightning rods. If your roof is the highest point of the surrounding terrain it might be advisable to install a lightning protection system. The location of your roof is a more important consideration than whether it is constructed of metal or another material.

Lightning rods are typically installed around the perimeter of flat roofs or along the peaks of sloped roofs at intervals of 6 1 m or 7 6 m depending on the height of the rod. Depending on the building s size and configuration additional air terminals are required around the roof perimeter at intervals not exceeding 20 feet within the field of the roof on rooftop equipment and as dictated by the standards. P 2 18 tall 29 00. 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.

When a flat roof has dimensions greater than 15 m by 15 m additional air terminals will be installed in the middle of the roof at intervals of 15 m or less in a rectangular grid pattern. Lightning rods do not attract lightning but provide an alternative path for lightning when it strikes. A lightning rod is a metal strips or rods usually made of copper used to protect buildings or structures from a violent lightning strike. The lightning protection system consists of lightning rods that are interconnected at the roof level down conductors tied to ground rods or ground loop bonding all the incoming utilities together.

Metal roofing materials are non combustible so if a metal roof does get struck by lightning. Our company has been protecting homes businesses and farms from storms and power surges since 1923. Decra metal roofing profiles with an nfpa 780 compliant aluminum lightning rod protection system can spread the electrical surge load and route it to the outside to significantly reduce the probability of power surge damage inside the home. Holes are in bottom of each leg for nails or screws.

In a lightning protection system a lightning rod is a single component of the system. P 1 24 tall 35 00. We help protect life and property through lighting protection services and products. See thru roof lightning rods on next page.

Paxson lightning rods has been protecting homes and businesses in the mid atlantic region for over 95 years. A properly installed lightning protection system will safe guard a commercial building structurally protect property electronic equipment and employees from the destructive forces of lightning. Support braces for tall rods.