Roof Coatings Explained: Silicone, Acrylic & Polyurethane

Roof coatings are a critical component of any restoration system. But with so many options available — silicone, acrylic, polyurethane — how do you know which one is right for your roof?

Why Coatings Matter

A quality roof coating provides:

• <strong>UV protection</strong> to prevent membrane degradation
• <strong>Waterproofing</strong> to seal minor cracks and seams
• <strong>Reflectivity</strong> to reduce energy costs
• <strong>Extended life</strong> of 10-20 years per application

Silicone Coatings

Best for: Ponding water situations, maximum UV resistance

Pros:

• Handles ponding water without degrading
• Excellent UV resistance
• Single-coat application possible
• Very flexible

Cons:

• Attracts dirt (can reduce reflectivity)
• More expensive than acrylic
• Difficult to recoat over

Typical cost: $1.50-3.00 per square foot

Acrylic Coatings

Best for: Properly draining roofs, budget-conscious projects

Pros:

• Most affordable option
• Excellent reflectivity
• Easy to apply and recoat
• Good color retention

Cons:

• Cannot handle ponding water
• Requires multiple coats
• Less UV resistant than silicone

Typical cost: $0.75-1.50 per square foot

Polyurethane Coatings

Best for: High-traffic areas, maximum durability

Pros:

• Extremely durable
• Excellent impact resistance
• Good chemical resistance
• Handles foot traffic well

Cons:

• Most expensive option
• Requires topcoat for UV protection
• More complex application

Typical cost: $2.00-4.00 per square foot

Choosing the Right Coating

Consider these factors:

1. Ponding water? → Silicone

2. Tight budget? → Acrylic

3. High traffic? → Polyurethane

4. Easy recoating? → Acrylic

Application Considerations

All coatings require:

• Clean, dry surface
• Proper temperature (usually 50°F+)
• Correct mil thickness
• Adequate cure time

NovaRoof uses manufacturer-approved application methods to ensure your coating performs as expected.