Insulated Metal Roof Systems: Advantages and Disadvantages

Insulated metal roof systems have various advantages, such as energy efficiency, longevity, and minimal maintenance. Also, it has some disadvantages as well, like there is an inconsistency in the color match and it is expensive.

FREMONT, CA: In new construction and when an aging roof needs to be replaced, metal roofs are a popular choice. In addition to galvanized steel, copper, aluminum, and tin, metal roofing products can be composed of a variety of metals. Metal roofs have many advantages, but there are also some disadvantages to consider.

Interestingly, one of the main fears people have about metal roofs is unfounded: Metal roofs attract lightning.

Lighting and roofs made of metal: The misconception that metal roofs attract lightning probably stems from the fact that metal is a good conductor of electricity, so people assume that a metal roof will attract lightning. Lightning usually strikes whatever object is highest in the area that has an uninterrupted path to the ground when it strikes, as it is seeking a path to the ground. Lighting cannot strike the metal roof because it is not grounded.