Expandothane Roofing and Waterproofing in San Antonio

Expandothane roof coating creates a seamless, waterproof barrier for lasting roof protection in San Antonio.

Why We Use Expandothane

Expandothane is a spray-applied expanding base coat that seals seams, cracks, and penetrations to stop leaks fast. After it cures, we finish the system with a UV-resistant acrylic topcoat for long-term protection and a clean, reflective finish. We use it when you need reliable waterproofing without a full tear-off.

  • Seamless waterproof base layer – expands to fill gaps and self-flash around penetrations.
  • UV-protected finish – always completed with an acrylic topcoat for sun resistance and durability.
  • Fast install, minimal disruption – spray application means quicker dry-in and less downtime.
  • Versatile over many roof types – great for metal, flat, and problem-area repairs.
  • Energy-smart – reflective topcoat helps reduce heat load on the roof.
  • Storm-ready – ideal for leak stoppage and restorations after wind/hail events.

FAQs

What is Expandothane roof coating?

Expandothane is a spray-applied polyurethane roof coating that expands to seal cracks, waterproof surfaces, and protect against UV, hail, and extreme weather.

How long does Expandothane last?

When applied correctly, Expandothane roof coatings can provide decades of leak-free protection, with a proven track record of 20–50 years.

Is Expandothane safe for residential roofs?

Yes — Expandothane adheres to most roofing surfaces, including flat and metal roofs, and is safe for residential and commercial applications.

How is Expandothane different from traditional sealants?

Unlike traditional coatings that require multiple layers and long cure times, Expandothane sprays on quickly, cures in seconds, and forms a seamless waterproof barrier.

Can I get Expandothane roof coating near me?

Yes — Rooftop Roofing and Remodeling provides Expandothane roof coating services near you in San Antonio, Schertz, and New Braunfels.

Where can I learn more about Expandothane?

You can learn more by visiting the official manufacturer website:
Expandothane.com

What Our Customers Are Saying in San Antonio and Nearby Cities.”

Homeowners throughout San Antonio and nearby communities rely on our team for honest evaluations, dependable repairs, and quality roof replacements. Here’s what local customers are saying:

Serving San Antonio and Surrounding Areas

We proudly serve San Antonio and the surrounding areas, including Schertz, New Braunfels, Selma, Cibolo, Live Oak, Garden Ridge, Universal City, Converse, Alamo Heights, San Marcos and nearby communities.

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🏠 Roofing: Repairs, replacements, gutters, roof coatings

🛠️ Remodeling: Kitchens, bathrooms, garage conversions, interior upgrades

🌳 Exteriors: Patio covers, pergolas, fencing, siding, windows

🎨 Painting: Interior and exterior