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Once SPF is applied to the desired thickness and finish, a layer of gravel or elastomeric coating is added for extra protection. This not only shields the foam from damage but also creates a weather-resistant surface that's easy to walk on.
While elastomeric coatings are more commonly used, some contractors and suppliers opt for a gravel system. Although it's less popular, it has proven to be effective. Coatings like polyurea, acrylic, urethanes, butyl rubber, and silicone can be spray-applied as single or double-component systems. Make sure to consult with an SPF supplier to determine the best coating material for your needs and budget.
The most common type of cool coatings used for SPF and other surfaces are white or light-colored roof coatings. These coatings come in various materials like polyurea, acrylic, silicone, or urethane. Here are two popular types:
1. Acrylic: Acrylic coatings are cost-effective, environmentally friendly, and easy to use. They have high reflectivity, which helps cool the roof. These coatings can handle temperature fluctuations without being affected. They not only reduce cooling costs but also extend the lifespan of the roof by protecting it from UV exposure.
2. Silicone: Silicone coatings are commonly used on SPF roofs due to their permeability. They are particularly suitable for areas with extreme temperature ranges and frequent UV exposure. After applying the base coat, a slick surface is created, and additional silicone coating can be applied as a recoat.
To ensure your SPF roof system lasts for decades, the protective coatings may require periodic replacement or maintenance. Just like repainting the walls of your house, these coatings can be removed or re-applied as needed.
SPF roofs, like other systems, expand and contract with changing weather conditions. Therefore, it's crucial for the protective coating to have the same flexibility. This ensures that no cracks or damage occur. The characteristic that determines this compatibility is called elongation. For guidance on selecting the right coating with the appropriate elongation for your SPF system, reach out to your materials supplier.
If you're in need of elastomeric roof coatings for your SPF or other conventional roofing systems, Profoam offers a comprehensive range of options. Get in touch with us for expert advice and details on suitable coatings that elongate with SPF.
Remember, protecting your SPF is essential for its longevity and performance. Don't forget to take the necessary steps to safeguard your investment!
