Roof finials and ornaments lightning protection.
Roof lightning rods.
Depending on the building s size and configuration additional air terminals are required around the roof perimeter at intervals not exceeding 20 feet within the field of the roof on rooftop equipment and as dictated by the standards.
The only aim of a lightning strike is to neutralize itself with the ground.
It is a very common misconception that a lightning rod attracts lightning.
A one foot steel rod is included with each finial but the mounting bracket must be purchased separately.
Lightning tends to strike the highest point in any terrain but lightning can also be capricious random.
Let us understand it this way.
A lightning rod is erected on the roof of a building and it is connected to a conducting channel to take the huge discharge of electricity into the ground.
Finials accessories and mounting brackets.
Lightning rods are typically installed around the perimeter of flat roofs or along the peaks of sloped roofs at intervals of 6 1 m or 7 6 m depending on the height of the rod.
Does a metal roof need a lightning rod attached.