Product details
Polyurethane Roof Primer – Flexrock FX-U11 10 Gal Kit
Flexrock FX-U11 Roof Coat Primer is a professional-grade polyurethane roof primer designed for high-performance roofing and waterproofing applications. This two-component, high solids, liquid-applied system delivers fast re-coat times and excellent intercoat adhesion—especially on aged urethane membranes or as a concrete primer when combined with Flexrock Base Accelerator.
PRIMER U11’s low viscosity allows for superior penetration into porous surfaces, making it ideal for restoration and re-coating projects. It’s also low odor, making it suitable for use in areas with odor sensitivity or limited ventilation.
✅ Features & Benefits
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Two-component polyurethane formula
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High solids for improved adhesion
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Fast re-coat time for quicker project turnaround
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Low viscosity and excellent surface penetration
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Low odor for safe, comfortable application
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Designed for urethane systems and concrete primers
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10-gallon kit includes 5 gal Part A (Black) + 5 gal Part B (White)
✅ Typical Uses
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Intercoat adhesion for urethane roof systems
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Quick-drying concrete primer (with accelerator)
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Pre-treatment for aged, compatible polyurethane coatings
✅ Coverage Rate
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1 gallon = ~300 sq. ft. (may vary by substrate condition and porosity)
✅ Application Notes
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Mix Part A and Part B thoroughly before application
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Use mechanical mixing for consistency
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Apply with brush, roller, or spray equipment
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Re-coat time depends on climate and surface type
📊 Technical Specifications
| Attribute | Value |
|---|---|
| Product Type | Polyurethane Roof Primer (2-Component) |
| Components | Part A (Black), Part B (White) |
| Package Sizes | 10-Gallon Kit (5 gal A + 5 gal B) |
| Base | Polyurethane (high solids) |
| Coverage Rate | 300 sq. ft./gallon (variable) |
| VOC/Smell | Low odor |
| Use Case | Urethane roofs, concrete primer |
| Application Tools | Brush, roller, airless sprayer |
📘 FAQs
Q: Can FX-U11 be used over metal or EPDM roofs?
A: It’s formulated specifically for urethane and concrete substrates. Use a product like FX-PRIMER EPDM for rubber membranes.
Q: Do I need to mix both components before use?
A: Yes, both Part A and B must be mixed thoroughly using a mechanical mixer before application.
Q: Can I use it without the base accelerator?
A: Yes. The base accelerator is only required for fast-drying concrete primer applications.
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✅ Made in the USA – Quality manufacturing and support
Available in cheapest price In Flordia ,Texas ,Washington , New York , Houston , North America
