If you are unsure of where to start to look for an installer, ask for referrals from family, friends, and neighbors, or visit a third-party referral website like HomeAdvisor. Installer knowledge – The best way to ensure a roof doesn’t generate extra noise is to hire a qualified and experienced contractor knowledgeable about properly installing metal roofing.During installation, make a point to ask the installer to ensure the insulation allows for adequate thermal movement. Insulation comes in many forms and can be installed above or below the roof deck and between the beams or purlins of an open frame for noise reduction and temperature control. Insulation – Insulation is another element that can be added to a roofing structure to reduce noise.Restricting thermal movement –When you restrict the expansion and contraction needed for proper thermal movement of a metal panel, you can run into a noise issue and other potential problems (such as oil canning).This happens because there isn’t a buffer between the panels and the inside of a structure, such as a roof deck, sheathing, or insulation, to muffle the noise. Structure/ roof deck – If a structural metal roof, like a corrugated exposed fastener roof (common with barns and other agricultural structures), is installed directly over open framing or spans long lengths by attaching to the frame or purlins, noises from rain or hail will be more noticeable.Let’s dive a little deeper into ways to ensure a roof doesn’t experience unnecessary noise: Luckily, you can have metal roofing installed in a way that makes noise as loud or as quiet as you prefer. That being said, there are home or building owners who want to hear the noise of rain/hail. While it is true that some systems and profiles of metal roofing can experience noise in certain circumstances, most metal roofs are designed and installed to be no louder than any other roof type. There is a common misconception that all types of metal roofs make a lot of noise during rain or hail storms. This is a huge advantage if a metal roof were to be struck by lightning because it wouldn’t explode or catch on fire and could protect a structure from damage.Īdditionally, if you want to help eliminate the threat of lightning striking your home or building, there are lightning protection systems that can be installed on a home for further safety. Metal is non-combustible ( unlike shingles or wood), meaning it’s incapable of igniting or burning. In reality, metal is one of the most preferred roofing materials when concerned with lightning safety. For example, a home in Arizona would have to worry less about lightning than a home in Kansas. Thunderstorm frequency – Weather patterns and frequency of thunderstorms vary depending on where you live.Location of a structure among other buildings – If a smaller building is next to a larger or taller building, the smaller building is less likely to be struck by lightning.Size of the building – The likelihood of lightning striking is higher if a building is large because it covers more area.Based on this fact alone, lightning is more likely to strike at higher ground, such as a mountain or hilltop. Topography of the land – Lightning is very unpredictable and difficult to measure, but scientists have determined that lightning’s electric current takes the path of least resistance.It has the same possibility as any other material to be struck by lightning.Īccording to the Metal Construction Association, the probability of a lightning strike is determined by several other factors, such as: So what does this mean? Metal roofing does not increase the risk or likelihood of lightning strikes. But these rods don’t actually attract lightning strikes instead, the metal rod acts as a conductor of electricity and channels the electricity safely to the ground so it doesn’t damage the building. The idea that metal attracts lightning is partly because most lightning rods put on top of buildings are made of metal. We are taught at a young age to never hold anything made up of metal during a thunderstorm because “metal objects attract lightning.” But did you know this is actually another myth? Myth #1: Metal Roofing Attracts Lightning In this article, you can expect to learn: Most of the time, we don’t know where or why a myth was started, but at Sheffield Metals, we think it’s important to set the record straight and discuss the most common metal roofing myths we hear all the time. You can find myths relating to anything nowadays - and believe it or not, there are numerous myths out there related to metal roofing.
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