Lightning Protection System On Roof

Advanced roofing provides lightning protection system installation repairs and recertification for commercial customers in south florida.

Lightning protection system on roof. Lightning rods come in many different forms including hollow solid pointed rounded flat strips or even bristle brush like. These materials and components are ul listed and specially manufactured for lightning protection. 800 638 6869 mon sat. Metal roofing materials are non combustible so if a metal roof does get struck by lightning.

Air terminations shall be formed and be of the type shown on the drawings. Lightning protection of building roof conductor fixing details. C 28 a 12 with 12 lightning rod 29 00 c 28 b 18 with 18 rod 35 00. The lightning protection institute is a nationwide not for profit organization founded in 1955 to promote lightning protection education awareness and safety.

A lightning protection system that meets national safety standards of nfpa 780 and. Nor do metal roofs protect a building against lightning. Aluminum flat or side mounting with rod. When a lightning protection grounding network is in place the strike is intercepted and directed to ground without impact to the structure occupants or contents.

The lightning protection industry began in the united states when benjamin franklin postulated that lightning was electricity and a metal rod could be used to carry the lightning away from a building. Copper for flat or side mounting with rod. For longer length. A 28 a 12 with 12 lightning rod 21 00.

Base is drilled two ways to accept a lightning rod for either flat or side mounting. Still the type of roofing is one of several risk factors. The conductor cables and ground rods are the most important components of a lightning protection system accomplishing the main objective of diverting lightning current safely past a structure. Provide a lightning protection system in accordance with bs 6651 and iec 61024 to protect the building structure and personnel from the risk of a lightning strike.

Lightning is a powerful destructive force of nature and will strike a building regardless of its type of roofing. 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. The lightning rods themselves that is the pointy vertically oriented terminals along the edges of roofs do not play much of a role in the. More architects are specifying them because climate change is increasing the frequency of lightning strikes and the growing use of electronic devices in buildings make them vulnerable to lightning surges.

It is less likely to result in a fire than other types of roofing materials. Lightning protection systems lps are increasingly being used to enhance building resilience to natural disasters. A 28 a 18 with 18 rod 25 00. The only way to protect a building is with a properly designed and installed lightning protection system lps.

Metal roofs do not attract lightning strikes.