Home Repair & MaintenanceMetal RoofingHow to Prevent Your Metal Roof From Rusting


Metal roofing offers a ton of great benefits, being that it tends to last longer, be stronger, safer, and more energy-efficient than other kinds. However, there is one major concern that metal roof owners have in mind, and that’s rust. Rust can completely demolish a metal roof if it is allowed to spread, but there are thankfully great ways of preventing that. Let’s take a closer look at how.

Taking care of any rust

First of all, you should check to make sure there aren’t any signs of rust. Wash your roof to get rid of any grime and, if you see rusted components like washers or screws, take the time to replace them, otherwise brushing off what rust you can with a wire brush. If some panels are heavily rusted, they might need to be replaced by a professional.

Give it a lick of paint

You can offer your roof an added layer of protection from corrosion with a new coat of paint. To make sure that you seal it against moisture as effectively as possible, you should start by using a primer that’s high in zinc. Make sure that the roof is fully washed and clean of any dirt before you start painting. Painting it once every three years can keep it protected.

Add some coating

Layers of protection are one of the most effective ways to keep out air and moisture, and to stop corrosion and rust from spreading through metal. Even more effective than painting is a roof coating. There are elastomeric, silicone, and acrylic roof coatings, each with their own advantages. Elastomeric tends to enhance the energy efficiency of the roofing, while acrylic coatings tend to last longer, and acrylic coatings tend to be somewhere in the middle. Depending on your needs, it’s a good idea to ask a professional what coating best suits your roofing.

Galvanization is key

Making use of galvanizing roofing material such as liquefied zinc can lend a lot of advantages to your roof. Not only does galvanizing it prevent rust to a major degree, but it also helps make your roof more durable and sturdy. It can also prevent rust from spreading it has already settled on a small portion of the roof. All you have to do is apply the material directly to the rusted patch.

Invest in routine maintenance

While metal roofing certainly doesn’t require as much care as other roofing materials, that doesn’t mean that you shouldn’t still invest in annual maintenance. Calling out your local roofing contractor can help you spot signs of rust much earlier, acting on them as cost-effectively as possible before they have the chance to spread into much more expensive damage. You can also make sure that you’re keeping up with routine care such as painting with the help of a professional, too.

Don’t underestimate the damage that rust can do to your metal roof. However, by following the steps above, you can ensure it stays healthy and strong for years to come.

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RPS Metal Roofing & Siding, Inc is a manufacturer and distributor of metal roofs. Located in Welaka, Florida, our company has state-of-the-art manufacturing equipment resulting in fine quality metal roofs for commercial, residential and agricultural use.

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