Graciegirl is right on. The installation of a lightning protection system is more complex than you think. You must have a working knowledge of NFPA 780, Standard for Lightning Protection Systems, LPI-175, Design - Installation - Inspection of Lightning Protection Systems, and UL 96 if you are going to install a code compliant system. I know of only once case of a do-it-yourself LPS installation and that was by a former electrcian. Working on the roof is not easy and can be hazardous. Last year my golf instructor (in his 40s) was doing repairs to his roof, fell off, needed an operation, and was out of work for over 7 months. Play it safe and leave it to the professionals - especially at this age.
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