How Do I Keep My Metal Roof From Rusting?

A Picture of a Roofer Spraying a Coating On a Roof.

How Do You Maintain a Metal Roof?

While metal roofing is very durable and built to withstand a lot, it is important that is be maintained pretty regularly. The reason that we need to keep our metal roof in good shape is that it can rust. A lot of people who have metal roofs ask, “Will metal roofs rust?” and the answer is that they can. Any type of metal roof can rust, whether it be steel, copper, zinc, or aluminum. The reason that metal rusts is because it is exposed to water and oxygen, which can then cause it to turn a reddish-brownish color. The good news is that most roofing manufactures will coat metal roof shingles and panels with a roof coating. A roof coating is a a liquid that is sprayed or brushed onto a roofing surface to protect it against outside elements, UV rays, and even severe weather. Just like hydro jetting is great for removing clogs, roof coatings are great and preventing damages to your roof. There are different kinds of roof coatings, including a metal roof coating, which is used to protect a metal roof against all of things mentioned above, as well as rust. So how do you seal a rusty metal roof? There are a couple of steps that are taken to remove rust and coat it with a metal roof coating.

  • Wash Metal Roof: You will want to remove any grim or buildup on the metal roof in order for the roof coating to have a nice, clean surface to adhere to.
  • Remove Rusted Components: If there are any washers, fasteners, or screws have rusted, replace them.
  • Remove Rust from Metal Roof: Using a wire brush, remove the areas of rust that have accumulated on the roof.
  • Repair Roof If Needed: If you notice that other issues that need to be fixed, repair them before you apply the metal roof coating.
  • Apply Roof Coating: Once the roof has been cleaned, removed or rust, and repaired, the roof coating can be applied all over the roof.

Metal Roof Coating Options

When it comes to metal roof coatings, people who have metal roof coatings on their buildings typically ask, “What is the best sealant for metal roofs?” there are a couple of options when it comes to metal roof coatings, which are elastomeric, acrylic, and silicone roof coatings. They all are very different from one another, so it will depend on what you are looking for in a metal roof coating. Elastomeric roof coatings are energy-efficient, acrylic roof coatings are durable, and silicone roof coatings can improve the performance of your roof. By talking with a licensed and professional roofer, they will be able to inspect your roof and determine what type of roof coating would best suit your roofing system.

How to Apply Metal Roof Coating

Metal roof coatings aren’t just great for preventing rust, they can also help with other things. Metal roof coating for leaks is pretty popular; in order to avoid ponding water and roof leaks, commercial property owners tend to invest in roof coatings. Other great reasons why metal roof coatings are great is because they can provide your building with better energy savings, they are eco-friendly, and they can extend the life of your roof. What more could you want out of a roof coating?

So how do you apply a metal roof coating? First, the metal roof needs to be cleaned in order for the roof coating to adhere to the surface of the metal roof. If the metal roof is in good shape, then the roof coating can be applied right away. If there are cracks or other issues with the roof, they will need to be fixed prior to coating the roof. The metal roof coating can either be applied by using a brush or by being sprayed on. Once the roof coating is on the roof, it will need to cure. Curing time will be determined by what type of climate you live in, as well as the type of roof coating is used.

How Much Does It Cost to Coat a Metal Roof?

A Picture of a Roofer Spraying a Coating On a Metal Sheet Roof.

Metal Roof Coating Cost

The cost of a metal roof coating is going to depend on the size of the roof. Typically, it will cost anywhere between $2.00 to $3.00 a square foot, so a 2,000 square foot office will cost $4,000 or even $6,000. If you think that you could really use a metal roof coating in Longwood and Orlando, FL, call the metal roof coating contractors at WeatherShield Roofing Group. We are able to walk you through the whole process and help you find a metal roof coating that is within your budget and will work with your metal roof. To get more information about our commercial roof coatings, please give us a call at (407) 298-0100! We look forward to working with you and extending the life of your metal roof.