Roof Top Hvac Lighting Protection

Also harger feels it is imperative that the installation contractor follow the roofing manufacturer s requirements when it comes to attaching. A metal roof should never have copper lightning protection components installed on it unless the roof metal is copper says mark s. If there were any doubts about the dangers of poorly anchored rooftop equipment during a hurricane building consultant thomas lee smith can point to case after case of flying mechanical units rolling condensers and whipping lighting protection systems causing extensive damage to buildings.

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Metal roofs do not attract lightning strikes.

Roof top hvac lighting protection.

But one incident during hurricane ivan in september 2004 is particularly disturbing. The only way to protect a building is with a properly designed and installed lightning protection system lps. Before getting on the job the roofer lps installer and general contractor should agree on project schedule and roof access as well as review proposed locations of lightning protection components. For built up and modified bitumen membranes attach air terminal base plates with asphalt roof cement.

Penetrations especially should be located and marked prior to roofing so they can be found afterward. The recommended protection diagram shows roof mounted air condition equipment to be bonded to the lightning protection system. Does this not serve to create an internal ground loop into the building. Harger president ceo harger lightning grounding grayslake ill.

Lightning protection of roof top equipment. Rooftop attachment of lightning protection systems in high wind regions may 2006 revised july 2006 page 2 of 3 attachment to built up modified bitumen and single ply membranes. The building ground ties to the internal grounding network and thus to the air handling. Lightning protection fasterners hardware trusted to protect since 1910 since our beginning thompson has sought to be the industry leader in manufacturing the highest quality conductors and components.

Still the type of roofing is one of several risk factors. Nor do metal roofs protect a building against lightning. For single ply membranes attach air. Lightning is a powerful destructive force of nature and will strike a building regardless of its type of roofing.