Are they susceptible to lightning during a thunder storm?
No, they do not attract lightning. Lightning strikes the highest building in an area regardless of the material with which it is made. So, metal roofs are in no way extra susceptible then other roofing materials unless it is the tallest building in the area. Have no fear in this regard if you are planning to buy metal roofing systems.
Do these roofs magnify the sounds of natural events like rain and hail?
No metal roofs are designed with proper design elements to completely deaden the sound of rain and hail striking its surface. The loud pinging sound usually associated with rain and flat metal sheets is also reduced to a great extent by the layer of felt and insulation under this roof. In addition the attic space, the ventilation all play a role in eliminating any sound the rain or hail makes when striking the metal surface. The makers of these roofs also offer foam inserts for the metal roofs to completely kill the sound off.
Can metal roofing systems withstand hail and wind?
Yes, today most roofing systems come with rating systems which indicates the extent of force they can withstand in a thunderstorm or hailstorm. Areas susceptible to such occurrences can select higher impact resistance and wind resistance roofs. The guarantees that accompany the impact resistance will also cover the damage to finish that a roof might suffer in a hailstorm. The warranty will cover any repairs or replacement your roof might need. This also, helps reduce your home owner’s insurance. Metal also does not lose strength as the years go by.
Is fire a problem with metal roofs?
No, metal roofs are immune to fire. They have some of the highest fire ratings and are quite safe in areas prone to fire. This roof also does not cave in during an interior fire. It is light weight and stays in place.
Do they support foot traffic?
They are able to support a good amount of foot traffic when needed. If you need to repair or replace old or worn out shingles then workers are able to access the required areas. However walking on shingles is not same as walking on the pavement. You are given clear instructions about where and how to walk. Follow them to avoid damage to roof and the finish. For heavier foot traffic it is recommended to lay foam insert to protect the metal roofing systems from damage.