Should A Metal Roof Be Grounded

You might choose to install a metal roof because they do not rot crack peel burn or blow off.

Should a metal roof be grounded.

By bonding the steel rebar you simply eliminate the difference in potential between the metal objects above the steel rebar and the steel rebar you are not forcing current to travel through it to find a path to ground. It does not attract any extra attention from lightning and just like buildings constructed with traditional building materials any electricity from a lightning strike will will be safely transferred to the ground below so occupants will be unaffected. We elaborate further in this post. If you plan on using metal roofing you may need to consider whether or not you need to ground that roofing like other metal equipment in construction.

In simple terms the answer is no. A metal roof in no way makes your home more vulnerable or susceptible to lightning strikes. Some actual disadvantages to metal roofs. Metal conducts electricity but when you are dealing with a full roof a lightning strike would ground out through the rest of the structure without causing damage or harm to the interior.

Metal roofing is safe and you won t incur additional risks if you don t ground it in most circumstances. Hazardous currents have a path to ground the massive buried copper network and grounding electrodes. Likewise the electrical system needs to have a good active ground. Experts say metal roofing systems aren t any more likely to be struck by lightning than other types of roofs.

The short answer is no you don t have to ground a metal roof and you will incur no additional risk if you don t ground it in most circumstances. What if lightning struck your roof. Do you need to have your metal roof grounded. You have numerous options when it comes to re roofing your home including asphalt shingles concrete tiles and metal roof panels.

Do you need to ground metal roofs. Dry soil is an insulator. In general there s no need to unless it s mandated by your local building codes. Metal roofing is perfectly safe.

Your metal roof is not grounded and thus lighting has no reason to strike it.