A cost-effective solution to extending the life of a commercial roof has arrived: the spray-on roof coating. It’s an option gaining popularity throughout the States for the ease and affordability of its application. However, do spray on roof coatings work? Or are they just another waste of time and money? The answer depends on factors like the condition of your commercial roof, the type of coating used, and proper application. Let’s explore the benefits and limitation of spray-on coatings to help you decide if they are a smart investment for your building.
Key Takeaways
- Spray-on roof coatings can effectively extend the lifespan of a commercial roof by 10 to 20 years, providing leak prevention, energy savings, and weather resistance.
- Common types of spray-on coatings include acrylic, silicone, polyurethane, and asphalt-based options, each with different strengths and applications.
- While coatings offer cost-effective maintenance and improved energy efficiency, they are not a structural fix for severe roof damage or large leaks.
- Proper surface preparation, including cleaning and repairing existing damage, is crucial for ensuring the coating adheres correctly and performs as expected.
- Spray-on coatings work best on flat or low-slope commercial roofs, but consulting a professional roofing contractor like RGB Construction is essential to determine if this solution is right for your building.
What Are Spray-On Roof Coatings?
Spray-on roof coatings are liquid-applied materials designed to protect and extend the lifespan of an existing roof. These coatings create a seamless, waterproof barrier that helps prevent leaks, reduce heat absorption, and improve overall roof performance. They are commonly used on flat or low-slope commercial roofs, particularly those made of metal, single-ply membranes, or built-up roofing.
This detailed view shows the reflective properties of a spray-on roof coating designed to improve energy efficiency for commercial buildings.
Common Type of Spray-On Roof Coatings
There are four common types of spray-on roof coatings:
- Acrylic Coatings: Cost-effective, UV-resistant, and ideal for reflecting heat, but less durable in ponding water.
- Silicone Coatings: Excellent for waterproofing and resistant to standing water, though they can be more expensive.
- Polyurethane Coatings: Strong and impact-resistant, making them a great choice for high-traffic areas.
- Asphalt-Based Coatings: Provide weather resistance but are less reflective than other options.
Do Spray-On Roof Coatings Work?
Yes, spray-on roofing coatings work when applied correctly to a suitable roof. Not evey roof needs a spray-on coating. The effectiveness of a spray-on roof coating depends on factors such as the condition of the existing roof, the type of coating used, and the quality of the installation. Understanding both the advantages and limitations of these coatings can help business owners make informed decisions about their roofing needs. As such, let’s take a look at some of the advantages and disadvantages of spray-on roof coatings:
How Spray-On Roof Coatings Help
Here are some of the benefits of a spray-on roof coating:
Leak Prevention
Spray-on roof coatings create a seamless, watertight barrier that helps prevent minor leaks and cracks from worsening. This protective layer blocks moisture from penetrating the roof structure, reducing the risk of water damage, mold growth, and structural deterioration.
Energy Savings
Many roof coatings are designed with reflective properties that minimize heat absorption. By reflecting sunlight away from the building, these coatings help maintain stable indoor temperatures, reducing the strain on HVAC systems and lowering energy costs. This is especially beneficial for large commercial buildings where cooling expenses can be substantial.
Extended Roof Lifespan
Rather than investing in a costly full roof replacement, building owners can apply a high-quality coating that extends the roof’s lifespan by 10 to 20 years. The added protection from spray-on roof coatings helps slow down wear and tear caused by the elements.
Cost-Effective Maintenance
Recoating a roof is significantly cheaper than a full replacement and requires minimal downtime. With proper maintenance and periodic reapplications, a roof coating can help businesses avoid expensive repairs and extend the usability of their existing roof.
Improved Weather Resistance
Spray-on coatings offer an extra layer of protection against UV damage, chemical exposure, and minor impacts. This makes them particularly beneficial in harsh climates or for businesses that deal with industrial pollutants that can break down traditional roofing materials over time.
The sealed surface of this flat commercial roof, thanks to a spray-on coating, helps prevent leaks and deterioration.
What are the Limitations of Spray-On Roof Coatings?
Here are some instances in which spray-on roof coatings do not work:
Not a Structural Fix
Spray-on coatings are not a solution for major roofing problems. If the roof has severe structural damage, large leaks, or significant deterioration, a coating will not be enough to fix these issues. In such cases, a full roof replacement is the better option.
Proper Surface Preparation Required
For a roof coating to be effective, the surface must be properly prepared. This means cleaning the roof, removing debris, repairing existing damage, and ensuring the surface is completely dry. If dirt, moisture, or imperfections are left untreated, the coating may not adhere correctly, leading to premature failure.
Not Suitable for Every Roof Type
Spray-on coatings work best on flat or low-slope roofs. They may not be ideal for steep-sloped roofs because the liquid coating can run off before properly setting. Additionally, certain roofing materials may not bond well with specific coatings, making professional consultation necessary before application.
Durability Varies
The longevity of a spray-on coating depends on the type of material used and the environmental conditions. Some coatings require regular maintenance or reapplication, particularly in regions with extreme temperatures, heavy rainfall, or chemical exposure. Understanding these maintenance requirements is essential for long-term success.
Commercial roofing contractors applying a spray-on roof coating, a solution for extending the life of existing roofs and improving weather resistance.
Is a Spray-On Roof Coating Right for You?
A spray-on roof coating is a great option if your existing roof is in good condition but needs extra protection. It works best for commercial roofs with minimal damage, offering a cost-effective way to extend longevity and improve energy efficiency. However, if your roof has major leaks, severe damage, or structural issues, a full replacement may be the better long-term solution.
Get Professional Commercial Roof Services with RGB Construction
Do spray-on roof coatings work? Yes, and they can be a great option for commercial roofs that need a little extra protection. If you’re considering a spray-on roof coating for your business, RGB Construction can help. The RGB Construction team will assess your roof’s condition and recommend the best solution. Whether you need a spray-on roof coating or a full commercial roof installation, we will provide high-quality materials and installation.
Give us a call today at 856-264-9093 or fill out our online form to get a free roofing estimate or to find out if a spray-on roof coating is right for your business.
