Do Roof Finials Attract Lightning?

A lone piece of metal sitting on your roof is not grounded, so it obviously will not "tend" to attract lightning, and therefore there is no worry. The vast majority of weather vanes, finials, metal roofs, church steeples, barns, etc. are not lightning protected, and it has not mattered whether they were or were not.

Do weathervanes attract lightning?

The answer to the first question is “No, weathervanes do not usually 'attract lightning' and actually less than a TV antenna does.” If you look around (or remember back a few years), you will see lots of houses with large skeletal TV antennas on them.

Are finials lightning rods?

Lightning rods are also called finials, air terminals, or strike termination devices. ... The main attribute common to all lightning rods is that they are all made of conductive materials, such as copper and aluminum. Copper and its alloys are the most common materials used in lightning protection.