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How Long Does A Silicone Roof Coating Last?

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How Long Does A Silicone Roof Coating Last?

As a roofing professional in Florida, over the years I have seen many flat roof owners worry about how long their roofs will last and how they can enhance their durability. Thanks to developments in the roofing industry, this problem has a reliable solution: silicone roof coatings. 

Now I know when it comes to roofing solutions, longevity is a top priority. After all, nobody wants to invest in a roof coating only to have it deteriorate prematurely. That’s why I’m here to answer the burning question on everyone’s mind: how long does a silicone roof coating last?

In this blog post, I’ll not only talk about how long roof coatings last but also give information on the factors affecting their lifespan and what you can do to maximize it so that you can make an informed decision. 

Silicone Roof Coatings: What’s So Special About Them? 

Living and working in Florida, I’ve been witnessing the challenges that come with having a flat roof in this sunny and often stormy state. The combination of scorching sun, torrential rain, and the occasional hurricane can take a toll on any roofing system.

However, by properly coating and sealing your roof, you can reduce the effect of such problems. Silicone roof coatings are a durable and versatile solution for protecting your roof against the elements. They are typically applied as a liquid that cures into a seamless, waterproof membrane.

This coating is highly resistant to UV rays, extreme temperatures, and ponding water, making it an excellent choice for various roofing applications.

To know more about silicone roof coatings and their other advantages, visit our guide: Why Silicone Roof Coatings Are The Ideal Choice For Florida Roofs & The Top 3 Products.

How Long Does A Silicone Roof Coating Last? How Long Does Silicone Roof Coating Last
Silicone Roof Coatings

The Expected Lifespan of a Silicone Roof Coating

Now that we’ve covered the benefits that pertain to silicone roof coatings, let’s get to the heart of the matter: How long can you expect your silicone roof coating to last?

On average, a properly applied silicone roof coating can last anywhere from 15 to 20 years, or more. This is much longer compared to other roof coatings such as acrylic coatings. Here are a few reasons why: 

  • Silicone is a durable synthetic polymer. These are mainly made from siloxanes, which contain silicon metalloids and oxygen. Due to this composition, they have a flexible nature and are able to withstand harsh temperatures without changing. 
  • Most of the silicone roof solvents are made from 100% silicone. This makes the coating thicker and more durable, unlike other coatings that have water content. 
  • Also, silicone has excellent UV resistance properties, which means it can maintain its protective qualities over the years. 

However, it’s essential to keep in mind that this is a general estimate, and actual results may vary depending on certain factors, which we will cover in the next section:

Factors Influencing How Long Your Silicone Roof Coating Lasts 

The longevity of a silicone roof coating depends on several factors. Let’s take a closer look at each of these:

1. Quality Of Application/Installation

We have seen many homeowners or commercial property owners install a roof coating themselves, but this often leads to issues down the road. While you may think that applying a silicone roof coating is a simple DIY project, it’s crucial to emphasize that this is a task best left to the professionals. This is because the skill and expertise of a roofing contractor play a pivotal role in determining the lifespan of your silicone roof coating.

Doing the work yourself without any prior experience or hiring a less than average contractor can lead to more damage in the future. So make sure you do your research before you move ahead. 

Also Read: Top 10 Roofing Companies In Tampa, FL

2. Climate Conditions In The Area

Your local climate exerts a substantial influence on the longevity of your silicone coated roof. Environmental extremes, such as heatwaves, which are a common occurrence here in Tampa, and even cold snaps in Northern states, along with frequent temperature fluctuations, can put considerable stress on a coating. 

Though silicone roof coatings are durable enough to withstand these conditions, unrelenting sun and an unpredictable climate can accelerate the natural aging process of the coating. 

3. Maintenance Of Your Flat Roof

Keeping your roof in good shape is essential for making your silicone roof coating last. It’s like taking care of your car to make sure it runs smoothly. Don’t worry, maintenance is not rocket science; it involves small steps. For example, regularly cleaning off leaves and debris from your roof is a must-do task. 

Plus, it’s smart to have a professional roofing contractor check your roof once in a while. They can spot any small issues before they become big problems.

In the end, it’s all about safeguarding the integrity of your entire roofing system, and promoting long-term resilience for your home in the face of Florida’s demanding climate.

Foot Traffic

The amount of foot traffic your roof experiences can be a key player in determining how long your silicone roof coating will last. If your roof is frequently walked on, whether for maintenance purposes or because it’s a rooftop gathering area, it’s essential to be mindful of the impact. Heavy foot traffic can cause mechanical wear and tear on the coating, potentially leading to premature degradation.


In conclusion, the lifespan of silicone roof coating can vary but generally falls within the range of 15 to 20 years. To maximize the longevity of your coating, invest in quality application, perform regular maintenance, and monitor your roof for signs of wear and tear. When in doubt, consult a professional roofing contractor for expert guidance.

If you want to install a silicone roof coating on your existing flat roof, look no further than the team at SouthShore Roofing & Exteriors. We ensure that you will get a roof coating made by leading manufacturers. Our team also offers other commercial roofing services too. Contact us today at (813) 400-3329 to learn more. 


A. A silicone roof coating is a liquid-applied roofing material that forms a seamless, protective layer over your existing roof. It works by curing into a durable, waterproof membrane that shields your roof from the elements.

A. On average, a properly applied silicone roof coating can last between 15 to 20 years. However, the actual lifespan can vary based on factors like the local climate and maintenance.

A. Silicone roof coatings offer several benefits, including superior UV resistance, flexibility, and resistance to ponding water. They require minimal maintenance and due to their exceptional coverage, they are easy to install too.

A. DIY application for any roof coating is not advisable. If you want a seamless application, it is better to hire a professional roofing company in Tampa. Quality of application is crucial for longevity, and professionals have the expertise and tools for proper installation.

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