Concrete Repair
Why does concrete need to be repaired?
Repairing concrete surfaces prior to applying coatings or polishing is an essential part of ensuring long-term durability, aesthetic appeal, and optimal performance of the finished floor. Imperfections such as cracks, pitting, spalling, or gouges can compromise the structural integrity of the substrate, leading to poor adhesion where coatings may peel, chip, or lift over time if not addressed. By removing compromised substrate, filling and smoothing these defects, a stable, uniform base is created that allows coatings to bond effectively and penetrate deeply, while also preventing moisture intrusion and environmental degradation that could shorten the system’s lifespan. For polishing applications, pre-repair work is critical in achieving a flawless, high-gloss finish, as unrepaired damage would remain visible and diminish the overall quality and abrasion resistance of the polished surface. Ultimately, investing in thorough concrete repairs upfront not only enhances the protective qualities of coatings and polishes but also extends the floor’s service life, reducing the need for costly future interventions.
How is the concrete repaired?
At N.E.W Coatings, our grout system is a two-component hybrid polyurea/polyurethane formulation engineered for concrete repairs ahead of coating applications or polishing. It gives installation technicians exceptional working time and quick return-to-service, enabling grinding in under an hour. This versatile system effectively fills all concrete imperfections, including cracks, pitting, pinholes, and gouges. Plus, it can be easily mixed with sand or cement to form a durable mortar repair material.
Our grout system is formulated as a 100% solids, low-viscosity hybrid polyurea/polyurethane that ensures superior penetration and adhesion for concrete repairs. This advanced composition not only enhances the gloss of polished concrete surfaces but also offers low odor for a more comfortable application environment and exceptional moisture resistance to withstand challenging conditions. Designed for user-friendly handling, it mixes easily and can be tinted in a wide array of colors, allowing for seamless customization to match the unique characteristics of each piece of substrate and achieve optimal aesthetic results.
Where can grout be used?
- Concrete
- Polished Concrete
- Garages
- Warehouses
- Retail
- Terrazzo
Polygrout VS. traditional epoxy fillers:
When comparing N.E.W Coatings’ PolyGrout—a hybrid polyurea/polyurethane system—to traditional epoxy fillers for concrete repair, several advantages emerge that make our solution a superior choice for efficiency and longevity. While both provide strong adhesion and fill imperfections like cracks and pits effectively, our system offers exceptional flexibility to accommodate substrate movement and thermal expansion without becoming brittle or failing, unlike rigid epoxies that are prone to cracking under stress. Cure times are significantly faster with our poly grout, achieving grind-ready status in under an hour and full service in hours, compared to epoxies that often require 16-72 hours, minimizing downtime on projects. Additionally, our 100% solids, low-viscosity formulation delivers deeper penetration, superior moisture and UV resistance (preventing yellowing or degradation), and can cure in cold conditions down to -25°F, features where epoxies fall short unless modified. Our grout’s low odor, easy mixing, tintability for color matching, and ability to enhance polished concrete gloss further add versatility, outpacing standard epoxies that may emit stronger odors and offer limited customization. In summary, our grout provides enhanced durability, resilience, and user-friendliness, making it ideal for demanding repair applications over traditional epoxy fillers.
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