Product details
Urethane Base Coat Gray – Flexrock FX-URBG Roof Primer
Designed for professionals seeking performance and versatility, Flexrock FX-URBG Urethane Base Gray is a premium-grade urethane base coat gray formulated to deliver long-lasting adhesion and protection on mature roof systems. This aromatic, single-component polyurea-urethane coating is fire-retardant and moisture-cured, making it ideal for demanding environments.
Whether you’re repairing a weathered roof or preparing it for a top coat, FX-URBG offers excellent compatibility with a wide variety of substrates including spray polyurethane foam, single-ply, metal, built-up, and modified bitumen roofing.
Why Choose FX-URBG Urethane Base Coat Gray?
FX-URBG is perfect for detailed restoration work or as a reliable primer under bright top coats. Its gray color provides easy visual differentiation during multi-layer applications and helps monitor coverage areas more efficiently.
✅ Features & Benefits
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Aromatic polyurea-urethane formula
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Moisture-cured, single-component system
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Fire-retardant and weather-resistant
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Excellent adhesion to aging roof systems
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Gray color ideal for base layer tracking
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Compatible with SPF, metal, BUR, and concrete roofs
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5-gallon buckets | Made in the USA
📊 Technical Specifications
| Attribute | Value |
|---|---|
| Bucket Size | 5 Gal |
| Color | Gray |
| Cure Type | Moisture-cured |
| Application | Base coat / repair |
| Fire Rating | Fire-retardant |
| Surface Types | SPF, metal, BUR, modified bitumen, concrete |
📘 FAQs
Q: Why use a gray base coat instead of white?
A: Gray provides better contrast when layering with white top coats, making application easier to track.
Q: Is FX-URBG compatible with silicone top coats?
A: It’s best used with urethane-based top coats like Flexrock FX-UBW for chemical compatibility.
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