Lightning-protection systems commonly are installed on roofs
located in areas prone to frequent lightning strikes. Although
roofing contractors typically do not install lightning-protection
systems, when such systems are integrated inadequately into a roof
system or not maintained, roof-related problems can arise and the
lightning-protection systems may be rendered ineffective.
Manufacturers of lightning-protection system components, roofing
material manufacturers and roof system designers typically provide
vague or inadequate details for securing lightning-protection
systems to roofs and protecting roofs from damage by
lightning-protection systems. The following information should help
clear up some confusion and provide ways to avoid potential
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