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Can You Coat A TPO Roof? All About TPO Roof Coatings

Posted on March 27, 2023

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Can You Coat A TPO Roof? All About TPO Roof Coatings

Yes, you can coat a TPO roof with different types of coatings available on the market. There are a lot of products that have been developed especially for coating TPO roofs. In this blog post, we will explore everything you need to know about coating TPO roofs, different types of coatings, and more information. 

At Hepler Contracting LLC, we aim to share our knowledge about the commercial roofing industry so that property owners can make more informed decisions. By the end of this blog post, you will learn the following details: 

  • What TPO coatings are, and their benefits
  • Types of coatings and sealants available for TPO roofs
  • TPO roof repair products
  • Details of painting TPO membranes

Whether you are a commercial building owner or a property manager, knowing these details is crucial for making informed decisions and avoiding costly repairs. Let’s begin by learning some vital facts about TPO coatings and how they can benefit your building.

What’s The Need To Coat A TPO Roof? 

TPO roofs are becoming increasingly popular in the commercial roofing industry due to their durability, energy efficiency, and weather resistance. However, just like any other roofing material, TPO roofs require regular maintenance to ensure their longevity and avoid costly repairs. This is where coatings and sealants come in. They are a popular solution to extend the lifespan of TPO roofing membranes.

What Is A TPO Roof Coating? 

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A roof coating is a layer of material applied to the surface of low-slope roofing materials, especially single roofing membranes, including TPO, EPDM, and PVC. Each roofing membrane requires a specific type of coating, and many coats are designed especially for TPO roofs. They are applied over the membrane to protect it from weathering, UV radiation, and other environmental factors that can damage it over time. These coatings are made from various materials, such as acrylic, silicone, or polyurethane, and can be applied using different methods, such as spraying, rolling, or brushing.

The Benefits Of Coating Your TPO Roof

From enhanced durability and energy efficiency, there are multiple advantages of coating TPO roofs. Using roof coating should be an integral part of your roof maintenance and repair efforts, so, let’s learn about the benefits of doing so in detail.

Increased Energy Efficiency

TPO roof coatings help reduce energy costs by reflecting sunlight and reducing heat absorption. This can lead to lower cooling costs in the summer and make the building more comfortable for occupants. Coatings with high solar reflectivity (cool roof coatings) can also help mitigate the urban heat island effect. Additionally, they also reduce the environmental impact of a building by lowering energy consumption and reducing the need for roof replacements, which can produce significant amounts of waste.

Long-Term Cost Savings

By protecting the underlying TPO membrane, coatings help extend the lifespan of the roof. This saves building owners money over the long term by reducing the need for costly repairs and premature roof replacement.

Protection From Environmental Factors & Chemicals

These coatings create a protective barrier that shields the underlying membrane from damage caused by UV radiation, weathering, industrial chemicals and fumes. This helps prevent staining, shrinking, and other forms of damage to the TPO membrane.

Improved Aesthetics

TPO coatings come in a range of colors and finishes, which helps improve the appearance of a building. This is particularly important for commercial buildings that want to project a professional and well-maintained image.

As there are plenty of coatings available for TPO roofs, it can be challenging to figure out which coating is best for your building. To help, we’ve done the research and explained all types of coatings in this post that were developed to solve specific problems.

Types Of TPO Roof Coatings

Choosing the correct type of coating is crucial to ensuring maximum protection and longevity of your TPO roof. In this section, we will delve into the different types of coatings available on the market today, providing a comprehensive overview of their features and benefits. Your choice will depend on several factors, including the type of business, the area’s environmental conditions, and the project’s budget. 

You can coat a TPO roof with any of the following: 

Acrylic Coatings

Acrylic coatings are inexpensive and can be easily applied to TPO. They are water-based and dry quickly, making them a good option for projects with tight deadlines. They are available in a range of colors and can be used to improve the aesthetics of a building while providing a protective barrier to the TPO membrane.

Silicone Coatings

Silicone coatings are popular for TPO roofs because they offer excellent resistance to UV rays and other weather elements. They are also highly flexible, which makes them a good option for roofs that experience frequent expansion and contraction due to extreme temperatures. Silicone coatings are more expensive than acrylic, but they offer superior performance and a longer lifespan.

Polyurethane Coatings

Polyurethane coatings are also used for TPO roofs due to their excellent protection and pigment properties. They are also resistant to weathering, corrosion, scraping, and other damage.

Epoxy Coatings

Epoxy coatings are made of a thermosetting polymer. They offer excellent adhesion properties and are resistant to water, chemicals, and even acids. Epoxy coatings are typically used in industrial and commercial settings, where a roof is frequently exposed to harsh chemicals or other types of damage.

If you are looking for the best coating, you should consider leading TPO product manufacturers like Carlisle and GAF. GAF TPO roofing products include some of the industry’s most advanced and effective solutions. You should take a look at their TPO membranes and accessories to learn more about the benefits they come with.

Butyl Coatings

Butyl TPO coatings are a type of synthetic rubber that is commonly used as a sealant for TPO roofs and is highly resistant to water. Butyl coatings are typically used to seal joints and seams on TPO roofs, but they can also be used as a protective coating for the entire surface of a roof.

Sealant & TPO Roof Repair Products

It is essential to know about the different sealants and repair products that are specifically designed to address common issues that may arise with TPO roofs. For example, leaks, cracks, and other types of damage.

TPO Roof Sealants

These products are used to seal joints, seams, and other areas where water may enter a roof. It is typically applied with a caulking gun and can be used on a variety of TPO membranes.

Seam Primer

Seam primer is used to prepare the surface of the roofing membrane before applying sealant or adhesive. It improves the adhesion of the sealant to the TPO membrane and helps prevent leaks.

Seam Tape

This is a special type of tape that is wide and used to reinforce TPO roof seams and prevent water from penetrating the roof. This self-adhesive tape is applied over the top of the seam and then covered with a sealant.

Roof Patch

If you’re wondering what’s used to patch a TPO roof, this is. As the name suggests, a roof patch is used to repair or patch small punctures or tears in TPO roofing membranes. It is a self-adhesive patch made of the same material, or a material that is a close match to your TPO roofing system, and is applied directly to the damaged area.

One question that often comes up when it comes to TPO roofing is whether or not it can be painted. The short answer is yes, you can paint a TPO roofing membrane. However, doing so does not repair or fix any damage.

Painting TPO Roofs

Painting a TPO roof may void the manufacturer’s warranty. It’s essential to check with your roofing contractor to determine whether or not painting is allowed and if it will impact the warranty. Paint should only be used for aesthetic purposes and not as an alternative to coatings and sealants.

If you still want to go with painting just to change the color of your TPO roof, it’s crucial to choose a paint that is specifically designed for use on TPO. Not all paints are suitable for it, and using the wrong product can result in peeling, cracking, and other issues. It’s best to consult a reliable commercial roofing contractor to determine the best type of coating for your specific needs.

If you need TPO roof coating or repair services in Pittsburgh or the surrounding areas, we can help!

We Can Repair & Coat Your TPO Roof Perfectly! Learn More From Our Experts

At Hepler Contracting LLC, we’re dedicated to providing our customers with top-quality services and results they can trust. Our team of experts are highly skilled in all aspects of TPO roofing and other commercial roofing services and products. As part of the Pennsylvania community, we extend our help by offering free consultations and estimates to help you make informed decisions about your roofing needs. We take pride in using the highest quality products and the latest techniques to ensure long-lasting results for your roof. 

Reach out to the best GAF Certified roofing contractor in your area for honest guidance and an accurate estimate without paying anything upfront. Call us at (412) 694-8785, and we’ll work with you to find the best solution for your TPO roofing needs that is both cost-effective and durable. 

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