How Long Does A Silicone Roof Coating Last?

Posted on September 27, 2023

Estimated Reading Time : 5 Min.

Share Now :
How Long Does A Silicone Roof Coating Last?

Silicone roof coatings have been gaining popularity in recent years for their exceptional durability and long-lasting performance. If you’re wondering, you’ve come to the right place. 

In this article, we’ll dive into the unique properties of silicone roof coatings, the application process, maintenance tips, and how they’re different from other roof coatings.

What Is A Silicone Roof Coating?

A silicone roof coating is a protective layer applied to a flat roof to enhance its lifespan and performance. It’s a liquid compound that, when properly applied, forms a seamless, weather-resistant membrane over your existing roof. This membrane not only provides outstanding protection but also offers several other advantages.

What Is The Lifespan Of A Silicone Roof Coating?

What makes silicone roof coatings stand out from other similar products is their enhanced durability and longevity, which helps it last for around 20 to 25 years. Once the coating is properly applied to the roofing membrane, it should last as long as the roof itself. 

However, it’s important to note that the actual lifespan of a silicone roof coating can be influenced by factors such as climate conditions, the quality of the initial application, and the level of maintenance it receives.

Different elastomeric roof coatings have different lifespans. How you maintain these coatings has a major impact on their longevity and durability. 

What Makes Silicone Roof Coatings Long-Lasting?

1. Silicone: The Key Ingredient

At the heart of silicone roof coatings is silicone, a class of synthetic compounds derived from silicon, oxygen, carbon, and hydrogen atoms. Silicone is renowned for its flexibility, resistance to extreme temperatures, and excellent waterproofing properties. These qualities make it an ideal building block for roofing materials.

2. Polymerization Process

During the manufacturing process, silicone undergoes polymerization. This involves linking together smaller silicone molecules to form a long-chain structure. This chain-like structure is what gives silicone roof coatings their elasticity, allowing them to expand and contract with temperature fluctuations without cracking or losing effectiveness.

3. UV Resistance Mechanism

Silicone roof coatings owe their UV resistance to the unique chemical structure of silicone. They contain siloxane bonds that effectively dissipate UV radiation, preventing it from damaging the roof’s underlying layers. This is why silicone roofs can last for decades without showing significant signs of wear and tear.

Silicone Roof Coating

What Factors Affect The Lifespan Of A Silicone Roof Coating?

1.  The Quality Of Installation

The initial application of the silicone coating plays a critical role in its lifespan. Proper surface preparation, application techniques, and attention to detail during installation are essential. Hiring experienced roofing professionals is recommended to ensure a high-quality application.

2. Substrate Condition

The condition of the underlying roofing material is crucial. If the substrate is damaged, deteriorated, or contains moisture issues, it can impact the adhesion and performance of the silicone coating. Any necessary repairs or substrate improvements should be addressed before applying the coating.

3. Climate And Weather Conditions

The climate in which the roof is located can affect the silicone coating’s lifespan. Regions with extreme temperature fluctuations, heavy rainfall, or frequent hail may experience greater wear and tear on the coating. UV radiation can also play a significant role in coating degradation over time.

The silicone coating you apply also makes a significant contribution to the roofing material’s lifespan. To learn more, read our blog post about the nine best silicone roof coatings

4. Environmental Factors

Environmental pollutants and contaminants can accumulate on the roof’s surface over time. These substances, such as air pollution or biological growth (algae, moss, lichen), can degrade the coating and impact its performance. Regular cleaning can help reduce these effects.

5. Foot Traffic

Roofs that receive frequent foot traffic, whether for maintenance purposes or something else, are more susceptible to wear and tear. You should minimize the frequency of foot traffic on your roof to prevent damage to the silicone coating.

What Are The Key Advantages Of Applying A Silicone Roof Coating?

Silicone roof coatings are formulated with a special type of silicone polymer that sets them apart from other roofing materials. Silicone is known for its flexibility and resistance to extreme temperatures, making it an ideal choice for roofs exposed to the elements year-round.

1. Durability And Longevity

One of the key reasons silicone roof coatings are long-lasting is their exceptional durability. They can withstand harsh weather conditions without deteriorating, including heavy rain, snow, and intense UV exposure. This durability translates into an extended lifespan for your roof.

2. UV And Weather Resistance

Silicone roof coatings have a remarkable ability to reflect UV rays, preventing them from penetrating your roof’s surface. This UV resistance protects your roof and helps maintain a comfortable temperature inside your building, reducing cooling costs.

3. Seamless Application

The application process of silicone roof coatings is seamless. When properly applied, they create a monolithic, waterproof membrane over your existing roof. This eliminates seams and joints where leaks often occur, further contributing to the coating’s longevity.

How Are Silicone Roof Coatings Different From Other Roof Coatings?

Silicone roof coatings are known for their durability and water resistance. They create a flexible membrane that can withstand extreme temperature fluctuations. Silicone coatings are highly reflective and are excellent at reducing heat absorption, making them energy-efficient.

1. Acrylic Roof Coatings

Acrylic roof coatings are one of the most common and versatile options. They are water-based and offer moderate UV protection. Like silicone roof coatings, acrylic coatings are easy to apply and provide a reflective surface. They are suitable for various roofing materials and can be used on both residential and commercial roofs. On average, acrylic coatings have a lifespan ranging from 5 to 15 years.

2. Asphalt Roof Coatings

Asphalt roof coatings are typically used on asphalt shingle roofs. They provide a protective layer that helps seal minor cracks and extends the life of the shingles. Asphalt coatings are cost-effective and can be a budget-friendly option for homeowners looking to enhance their roof’s performance. Asphalt roof coatings typically last between 8 to 10 years. 

3. Polyurethane Roof Coatings

Polyurethane roof coatings are known for their exceptional durability and resistance to chemical exposure. They create a strong, waterproof membrane that can withstand harsh weather conditions. Polyurethane coatings are often used in industrial settings but can also be suitable for residential roofs, especially in areas with extreme weather. Their lifespan is similar to silicone coatings and can often exceed 15 years. 

Do You Want To Apply A Silicone Coating On Your Roof In New Jersey?

Now that you know a silicone roof coating is the best choice among its countertypes in many areas. Whether it be longevity, durability, reflectivity, or weather resistance, silicone roof coatings have proven their efficiency on commercial and metal roofs over time. If you want to apply a roof coating, contact Northkit Roofing in New Jersey. Just call us at  (973)-396-7416 and our professional team will be at your door within no time at all. 

Skip to content