Silicone Roof Coating: When Some Extra Protection Is Needed

A silicone roof coating is one of the most effective ways to extend the life of an existing commercial roof. Instead of replacing an entire system, this protective coating adds a durable, waterproof layer that seals small leaks, prevents UV damage, and helps reflect heat. For many business owners in Springboro and surrounding areas, silicone coatings offer a cost-effective way to strengthen their roof without major disruption or expense.

• Purpose: Provides seamless protection against leaks and ponding water.
• Cost efficiency: Extends roof life for a fraction of full replacement costs.
• Energy savings: Reflective surface reduces indoor cooling needs during summer months.

Whether you manage a warehouse, office building, or retail space, understanding how silicone roof coatings work—and when to apply them—can help you protect your commercial property for years to come.

What Is a Silicone Roof Coating?

A silicone roof coating is a liquid-applied membrane that cures into a flexible, rubber-like surface. It’s typically used on flat or low-slope commercial roofs to restore waterproofing and improve weather resistance.

• Material composition: Made from silicone polymers that resist UV degradation and moisture penetration.
• Application process: Sprayed or rolled over existing roofing materials, such as single-ply membranes or metal panels.
• Performance: Creates a seamless, watertight barrier that withstands Ohio’s fluctuating temperatures and heavy rainfall.

Unlike acrylic or asphalt-based coatings, silicone remains flexible in extreme heat and cold, making it ideal for long-term performance in varying climates.

When To Use Silicone Roof Coatings

Silicone coatings are typically applied when a commercial roof is still structurally sound but showing surface wear, minor leaks, or weathering. It’s a proactive solution that adds years of service life without the cost of full replacement.

• Aging roof systems: Ideal for roofs near the end of their expected lifespan but not yet failing.
• Minor water ponding: Silicone resists standing water better than most coating materials.
• UV exposure: Reflects sunlight to reduce roof surface temperature and extend membrane life.
• Budget limitations: Offers protection and performance at a lower cost than new installation.

This makes silicone coatings an excellent choice for property owners seeking extra protection before committing to a full roof replacement.

Advantages of Silicone Roof Coatings

Commercial property owners often choose silicone coatings for their superior performance and longevity.

• Waterproofing: Seamless application eliminates gaps and seals existing cracks.
• Reflectivity: Reduces surface temperatures and cooling costs by up to 35%.
• Durability: Withstands ponding water and resists mold, mildew, and chemical exposure.
• Low maintenance: Requires minimal upkeep after installation.
• Quick installation: Can often be completed without removing the existing roof system.

These benefits make silicone coatings a practical way to extend roof life, improve energy efficiency, and prevent costly repairs.

Compatibility With Common Commercial Roof Types

One of the greatest strengths of silicone coatings is their versatility. They adhere to most commercial roofing surfaces, provided they are properly cleaned and primed.

• TPO and EPDM membranes: Bonds well to aged single-ply systems with proper preparation.
• Modified bitumen roofs: Fills small cracks and provides added UV protection.
• Metal roofing: Seals fasteners and seams while reflecting heat to reduce thermal expansion.
• Built-up roofing (BUR): Adds new waterproofing layers to prevent blistering and leaks.

Before applying, a professional inspection ensures compatibility and verifies that the roof substrate is structurally sound.

5 Steps in the Silicone Roof Coating Process

While the process may vary depending on roof type, these general steps ensure a durable, long-lasting finish.

1. Inspection and Cleaning: The existing roof is evaluated for damage and thoroughly cleaned using pressure washing or specialized cleaning agents to remove dirt and debris.
2. Repair and Preparation: Any punctures, blisters, or cracks are repaired before the coating is applied. Fasteners and seams are sealed to create a smooth, even surface.
3. Primer Application (If Needed): Certain roof types, such as TPO or metal, may require a primer to improve adhesion and coating performance.
4. Silicone Coating Application: The liquid coating is sprayed or rolled evenly across the roof surface to create a seamless membrane that cures within 24 to 48 hours.
5. Final Inspection: Once cured, the coating is inspected for uniform coverage and thickness to ensure long-term performance and waterproofing.

A professionally applied silicone coating can add 10 to 20 years of life to a commercial roof, depending on existing conditions and maintenance.

Comparing Silicone to Other Roof Coatings

Not all roof coatings perform the same. While acrylic and polyurethane coatings have their advantages, silicone stands out for its waterproofing and long-term weather resistance.

Coating Type	Durability	Water Resistance	UV Resistance	Cost Range
Silicone	10–20 years	Excellent	Excellent	Moderate
Acrylic	5–10 years	Fair	Good	Lower
Polyurethane	10–15 years	Very Good	Good	Moderate to High

For flat or low-slope roofs in climates like Ohio, silicone offers the best balance between longevity, performance, and cost-effectiveness.

Maintenance Tips for Silicone-Coated Roofs

Silicone coatings require minimal upkeep, but a few simple practices ensure the system continues to perform effectively for years.

• Inspect annually: Check for damage, dirt buildup, or thin spots that may need recoating.
• Clean debris: Keep gutters and drains clear to prevent standing water.
• Address ponding water: Although silicone is water-resistant, excessive pooling may stress the roof over time.
• Recoat as needed: Additional coating every 10–15 years can restore reflectivity and add protection.
• Schedule professional inspections: A roofing contractor can assess coating thickness and adhesion to catch potential issues early.

These maintenance steps are simple but essential for maximizing your coating’s life and keeping your commercial roof watertight.

When Silicone Roof Coatings May Not Be Ideal

While silicone roof coatings offer many advantages, they’re not always the right choice for every situation.

• Severely damaged roofs: If the underlying structure is compromised, replacement may be a better option.
• Poor surface preparation: Silicone won’t adhere properly to dirty or oily substrates.
• Heavy foot traffic areas: Frequent activity can wear down the coating prematurely.
• Existing silicone layer: New coatings may not bond unless the old surface is removed or primed correctly.

A professional inspection ensures that a coating is suitable before installation, preventing wasted investment or performance issues later.

Protect Your Commercial Roof With Johnson Restoration

At Johnson Restoration, we help business owners in Springboro and surrounding areas find reliable, long-lasting roofing solutions that fit their needs and budgets. A silicone roof coating is an excellent option for extending the life of an existing system, improving energy efficiency, and preventing leaks without replacing the entire roof.

Our team of commercial roofing contractors understands Ohio’s unique climate challenges and provides expert guidance, quality craftsmanship, and dependable service. If your property could benefit from an added layer of protection, contact Johnson Restoration today to learn more about silicone roof coatings and other proven commercial roofing solutions.