XPERT SEAL FLEX – 500

XPERT SEAL FLEX – 500
XPERT SEAL FLEX – 500 is a high-quality, two-part flexible waterproofing and protective coating specially formulated with premium Portland cement, carefully graded aggregates, additives, and an acrylic emulsion polymer binder. When mixed, it chemically reacts to form a hard, flexible film that bonds strongly to concrete and masonry surfaces. This seamless membrane provides an effective barrier against waterborne salts, atmospheric gases, and moisture intrusion while allowing trapped moisture to escape. It is designed to offer durable waterproof protection for roofs, foundations, basements, and various concrete or masonry substrates, making it ideal for both interior and exterior use in industrial, commercial, and residential structures.
Benefits
XPERT SEAL FLEX – 500 offers excellent resistance to standing water and wind-driven rain, making it suitable for both vertical and horizontal surfaces. Its unique formulation allows water vapor to escape from the protected structure, preventing moisture buildup while maintaining waterproof integrity. The coating is highly durable and resistant to long-term weathering and harsh climatic conditions. It can be applied to concrete as soon as 24 hours after casting, providing immediate protection. Additionally, it acts as an anti-carbonation barrier, protecting concrete from harmful acidic gases that cause carbonation. The product also offers superior resistance against chloride ion diffusion, sodium hydroxide, calcium chloride, de-icing salts, and mild acids, thus enhancing the longevity of the substrate and preventing corrosion of embedded steel reinforcements.
Packaging
XPERT SEAL FLEX – 500 is available in convenient kits designed for ease of use on-site. The product comes in two kit sizes: a 40 kg kit consisting of 20 kg powder and 20 liters of liquid, and a 20 kg kit consisting of 10 kg powder and 10 liters of liquid. The product has a shelf life of 12 months when stored unopened in its original packaging. It should be stored in a cool, dry place below 35°C, protected from direct sunlight to maintain its effectiveness.
Recommendations
Before application, surfaces must be thoroughly prepared by removing grease, oils, dust, curing compounds, and any contaminants that might hinder adhesion. Concrete surfaces should be saturated with clean water but free of standing water at the time of application. XPERT SEAL FLEX – 500 is mixed by slowly adding the powder to the liquid and stirring to a lump-free, creamy consistency. It should be used within 45 minutes of mixing without re-tempering. Application is typically done by brush, roller, trowel, or spray, depending on the surface and project size. Multiple coats may be applied to achieve the desired membrane thickness, with each coat allowed to dry before the next is applied. The coating can also be used on heavily damaged surfaces by adjusting the mix to fill depressions or honeycombs. After application, fog spraying with clean water is recommended to aid curing. For tiled vertical surfaces, special advice should be sought.
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