Prosoco R-Guard Cat 5 - Air and Waterproof Barrier Membrane - 5 Gallon Pail
PROSOCO R-Guard® Cat 5™ – High-Performance Fluid Applied Waterproofing & Air Barrier Membrane
ROSOCO R-Guard® Cat 5™ is a premium fluid-applied waterproofing and air barrier membrane designed to protect building envelopes from water and air infiltration. Combining the best properties of silicone and polyurethane, this Silyl-Terminated-Polymer (STP) is engineered to provide superior weatherproofing under the most extreme conditions, including the 155 mph winds of a Category 5 hurricane.
Why Choose PROSOCO R-Guard® Cat 5™?
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All-Weather Application: Apply to dry or damp substrates, even in challenging weather conditions, reducing delays and accelerating project timelines.
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Exceptional Durability: Forms a seamless, elastomeric membrane that resists tearing, cracking, and degradation even during long-term exposure to UV and weather.
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Strong Adhesion: Bonds to most common building materials without the need for priming, ensuring a consistent and reliable barrier.
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Air & Water Barrier: Proven to prevent air and water penetration, enhancing the energy efficiency and moisture resistance of building envelopes.
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Easy Application: Available in spray-applied or roller-applied versions for flexibility and convenience on job sites.
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Mold-Resistant & Breathable: Allows damp surfaces to dry while preventing mold growth.
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Environmentally Friendly Formula: Solvent-free, isocyanate-free, and phthalate-free with no shrinkage, staining, or yellowing.
Certifications & Compliance
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ICC Evaluation Service Report No. ESR-3416 approved for high-performance applications.
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Air Barrier Association of America (ABAA) approved product ensuring top-quality standards for air barrier performance.
Ideal Applications
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Exterior sheathing, CMU back-up walls, precast concrete, and more.
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Perfect for new construction, retrofit projects, and challenging weather conditions.
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Provides a durable, waterproof membrane compatible with most sealants and air barrier components.
📌 Technical Highlights
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Superior Adhesion: Self-seals fastener penetrations, enhancing durability and longevity.
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UV & Weather Exposure: Can be exposed to weather for up to 12 months without degradation. Contact PROSOCO for longer exposures.
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Breathable & Non-Staining: Ensures surfaces remain mold-free and uncompromised.
🚀 Experience the PROSOCO R-Guard® Cat 5™ Advantage
Enhance your building’s weatherproofing with PROSOCO R-Guard® Cat 5™—the ultimate solution for preventing air and water penetration even under extreme conditions.