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Elastomeric Roof Coating: What Is It & What Does It Do?

Elastomeric roof coating being applied to a flat roof for commercial use and to protect from the elements
| 7-minutes Read

In the world of property management and homeownership, maintaining a roof’s integrity is paramount. A well-maintained roof can save you from costly repairs, energy inefficiencies, and potential structural damage.

One solution gaining popularity among commercial roof owners is an elastomeric roof coating. This blog post is designed to walk you through everything you need to know about elastomeric roof coatings, from:

  • Their benefits
  • The application process
  • The cost

What is Elastomeric Roof Coating?

elastromeric roof coating being applied to a commercial roof

Elastomeric roof coating is a liquid-applied membrane that provides a protective layer for various types of roofs. Made from durable materials like acrylic, silicone, or polyurethane, these coatings are designed to be flexible and resilient, expanding and contracting with temperature changes.

🔑 Key Characteristics:

  • Elasticity: The ability to stretch and return to its original shape without cracking.
  • Waterproofing: Creates a seamless barrier to prevent water infiltration.
  • Reflectivity: Reflects UV rays, reducing heat absorption and lowering cooling costs.
  • Durability: Can extend the life of your roof by protecting it from weather-related wear and tear.

Benefits of Elastomeric Roof Coating

Why should you consider elastomeric roof coating for your home or property? Here are some compelling reasons:

Cost-Effective Maintenance

One of the primary benefits of elastomeric roof coatings is their cost-effectiveness. Rather than replacing an aging roof, applying an elastomeric coating can restore its functionality and extend its lifespan. This can save homeowners and property managers thousands of dollars in replacement costs.

Energy Efficiency

Elastomeric roof coatings are designed to be highly reflective, meaning they can bounce back a significant portion of the sun’s rays. This reduces the amount of heat absorbed by the roof, leading to lower indoor temperatures and reduced cooling costs. For property managers, this can be a significant selling point for tenants looking for energy-efficient living spaces.

Waterproof Protection

Water damage is a common concern for roofs, especially in areas with heavy rainfall. Elastomeric coatings form a seamless barrier that prevents water infiltration, protecting the underlying roof structure and reducing the risk of leaks and water damage.

Flexibility and Durability

Roofs are subjected to various stresses, including temperature fluctuations, wind, and physical impact. Elastomeric coatings are designed to be flexible, allowing them to expand and contract without cracking. This flexibility enhances their durability and ensures long-lasting protection.

Enhances Roof Longevity

By shielding the roof from UV radiation, moisture, and other environmental factors, elastomeric coatings help extend the life of your roof. This means fewer repairs and replacements over time, providing long-term savings and peace of mind.

Types of Elastomeric Roof Coatings

There are several types of elastomeric roof coatings available, each with its unique properties and best-use scenarios. Understanding the differences can help you choose the right one for your needs.

Acrylic Coatings

Acrylic coatings are one of the most common types of elastomeric roof coatings. They are water-based and environmentally friendly, making them a popular choice for residential applications.

  • Advantages:
    • Highly reflective, improving energy efficiency.
    • Easy to apply and clean up.
    • Cost-effective and widely available.
  • Disadvantages:
    • Less durable in ponding water situations.
    • May require more frequent reapplication in extreme weather conditions.

Silicone Coatings

Silicone coatings are known for their exceptional waterproofing capabilities and resistance to ponding water. They are often used on flat roofs or areas with poor drainage.

  • Advantages:
    • Excellent waterproofing and ponding water resistance.
    • High UV stability and reflectivity.
    • Long-lasting and durable.
  • Disadvantages:
    • More expensive than acrylic coatings.
    • Can be slippery when wet.

Polyurethane Coatings

Polyurethane coatings are highly durable and resistant to impact, making them suitable for roofs that experience heavy foot traffic or physical stress.

  • Advantages:
    • Superior resistance to impact and foot traffic.
    • Excellent flexibility and elongation properties.
    • Suitable for various roof types.
  • Disadvantages:
    • Higher cost compared to acrylic and silicone coatings.
    • Requires more careful handling and application.

3- Step Application Process

roller applying elastomeric roof coating onto a flat roof for a commercial property

Applying elastomeric roof coating is a multi-step process that requires careful preparation and execution. While it can be a DIY project for experienced homeowners, many prefer to hire professionals to ensure the best results.

Step 1: Roof Inspection and Preparation

Before applying the coating, it’s essential to inspect the roof for any existing damage, such as cracks, leaks, or loose materials. Any issues should be repaired to ensure a smooth and even application.

  • Clean the Roof: Remove dirt, debris, and any existing coatings using a pressure washer or appropriate cleaning tools.
  • Repair Damage: Seal any cracks, gaps, or seams with roofing cement or patching materials.
  • Prime the Surface (if necessary): Some roof types may require a primer to enhance adhesion.

Step 2: Application of Elastomeric Coating

Once the roof is prepared, the elastomeric coating can be applied. The application process may vary depending on the type of coating and the manufacturer’s instructions.

  • Choose the Right Tools: Common tools include brushes, rollers, and airless sprayers. Rollers are often preferred for larger areas, while brushes are used for edges and corners.
  • Apply the First Coat: Start at one end of the roof and work systematically to ensure even coverage. Follow the recommended thickness and avoid over-application.
  • Allow Drying Time: Allow the first coat to dry according to the manufacturer’s instructions. This may take several hours to a day.
  • Apply Additional Coats (if required): Some coatings may require multiple coats for optimal protection. Apply each coat perpendicular to the previous one for even coverage.

Step 3: Final Inspection and Maintenance

After the coating has fully cured, perform a final inspection to ensure there are no missed spots or areas that need touch-up. Regular maintenance is essential to prolong the life of the coating.

  • Regular Inspections: Periodically inspect the roof for any signs of wear, damage, or ponding water.
  • Clean the Roof: Keep the roof clean by removing debris and dirt buildup.
  • Reapply as Needed: Depending on the type of coating and environmental conditions, reapplication may be necessary every 5-10 years.

Common Questions About Elastomeric Roof Coatings

Got questions? We’ve got all the answers you need!

“How long does elastomeric roof coating last?”

The lifespan of an elastomeric roof coating depends on several factors, including the type of coating, environmental conditions, and maintenance. On average, elastomeric coatings can last between 10 to 20 years with proper care.

“Can elastomeric roof coatings be applied to any roof type?”

Elastomeric coatings are versatile and can be applied to various roof types, including metal, asphalt, single-ply membranes, and concrete. However, it’s essential to choose a coating compatible with your specific roof material.

“How much does it cost to apply elastomeric roof coating?”

The cost of applying elastomeric roof coating can vary based on factors such as the size of the roof, the type of coating, and labor costs. On average, homeowners can expect to pay between $0.50 to $3.00 per square foot for professional application.

“Are elastomeric roof coatings environmentally friendly?”

Many elastomeric coatings, particularly acrylic-based ones, are environmentally friendly and low in VOCs (volatile organic compounds). They can contribute to energy savings and reduce the need for frequent roof replacements, minimizing environmental impact.

“Can I apply elastomeric roof coating myself?”

While it is possible for experienced DIY enthusiasts to apply elastomeric roof coating, it’s essential to follow the manufacturer’s instructions carefully. Hiring a professional ensures proper preparation, application, and long-lasting results.

Protect Your Roof With Premiere

Elastomeric roof coatings offer a practical and cost-effective solution for homeowners and property managers looking to extend the life of their roofs, improve energy efficiency, and protect against water damage. With their flexibility, durability, and reflective properties, these coatings provide a valuable investment in the long-term health of your property.

Are you ready to enhance your roof’s performance and save on energy costs? Consider elastomeric roof coating as a smart choice for your next roofing project.For personalized advice and professional application, contact our expert team at Premiere today. We’re here to help you make the best choices for your property’s unique needs.

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