Steel can receive a coating of zinc oxide, which makes the roofing system resistant to rust. When zinc is used to coat and protect a metal roof, the process is referred to as galvanizing. There are a few options out there when it comes to coating or galvanizing metal roofs. In fact, if you’re going to have a steel roofing system installed, you should never be using metal that hasn’t been coated in a protective substrate. What Protective Coatings Prevent Metal Roofs from Rusting?Įven if you have a steel roof installed, it’s still possible to protect it from corroding or developing rust. If your roof is made of a material like aluminum, or it has been properly galvanized, you won’t need to worry about it rusting after just a few years. On the other hand, because it’s lightweight, durable, and rust-resistant, aluminum is one of the most popular materials used in metal roofing systems. Otherwise, rust and oxidation are likely to occur, and your roof will have a shorter lifespan than you’d expected. If you’re in the market for a new metal roof and are considering steel, just make sure that the roofer is using exclusively galvanized or coated steel. Although steel isn’t resistant to rust in its natural state, the material can be galvanized to prevent the roof from breaking down when it’s exposed to the elements. Still, metal roofing materials like aluminum and copper don’t contain any iron, which means that they are naturally rust-resistant. One example would be steel before it’s coated in a protective substrate, which is commonly done for steel roofing systems. More specifically, if the type of metal contains iron, then it’s capable of rusting. However, is this the case for your average metal roof, or are these roofing systems less prone to rusting than one might expect? Does All Metal Rust?īelieve it or not, only specific kinds of metal are prone to rusting. Although it’s a durable material with a long lifespan, many people also see it as one that rusts easily, especially if it comes into contact with moisture. In fact, some metal roofing types (such as copper) can go as long as a century before needing to be replaced.Įven so, many Houston Texas homeowners worry about the ease with which metal roofing rusts. Although traditional shingles generally need to be replaced after twenty to thirty years, metal roofs can last closer to seventy. Of course, this also means that you’ll be able to go a long time before requiring a roofing replacement. Compared to asphalt shingles and other popular materials, metal holds up far better against the elements and other kinds of damage. Metal roofs are becoming increasingly popular with homeowners looking for a durable roofing option – and for good reason. After all, if your roof will need to be replaced or fixed up within just a few years, the installation process may seem like more trouble than it’s worth. When Houston homeowners are deciding on a new roofing material, durability is often one of the most important factors.
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