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Key Specifications
Where to Apply
Concrete Crack Repair
Star Crack Shield
PU-Based Non-Shrink Crack Filling Compound for Durable Concrete Repairs
Star Crack Shield is a high-performance, two-component polyurethane-based crack filling compound specifically formulated to address concrete crack issues. With excellent adhesion, flexibility, and durability, it provides a long-lasting solution for concrete rehabilitation.
Engineered for construction professionals and rehabilitation projects, this advanced 2K solvent-based system delivers 10-year durability, with coverage of 40–50 linear meters per kg for a 6mm x 6mm crack.
Benefits & Solution
- Non-Shrink Properties — maintains volume after application, ensuring complete crack filling without gaps or voids
- Crack Bridging Up to 3mm — effectively bridges cracks up to 3mm wide, accommodating structural movements
- Quick Curing — rapid curing time minimizes downtime and allows for faster project completion
- Chemical Resistance — resistant to various chemicals, ensuring long-term performance in harsh environments
- Excellent Adhesion — strong bond with concrete surfaces ensures lasting repair and prevents crack reopening
- Flexibility — maintains flexibility after curing, accommodating thermal expansion and contraction
GET A FREE QUOTE
Talk to an expert.
Our technical team will assess your requirement, recommend the right solution, and send you a detailed quote — at no cost.
An ESCO recognized leader in the industry
Request your free quote
Fill in the form and we will be in touch within 24 hours.
Request received!
Our team will review your details and get back to you within 24 hours.
The Problem
Common Concrete Deterioration Problems
Crack propagation, water infiltration, and structural deterioration all threaten concrete structures over time. Star Crack Shield is built to solve all three.
Crack Propagation
Small cracks can expand over time, leading to structural weaknesses if left unaddressed.
Water Infiltration
Cracks allow water penetration, causing further damage and corrosion of reinforcement steel.
Structural Deterioration
Unaddressed cracks can lead to significant structural issues over time, shortening the service life of concrete structures.
Benefits
6 Key Benefits of Star Crack Shield
Star Crack Shield provides a comprehensive solution to concrete crack problems — penetrating deep into cracks, forming a strong bond with concrete surfaces, and curing into a flexible, durable seal that withstands environmental stresses.
Long-Lasting Protection
Provides up to 10 years of durable crack protection for long-term peace of mind.
Waterproof Seal
Prevents water infiltration, protecting structures against further damage from moisture and corrosion.
Structural Integrity
Maintains and restores structural strength to concrete elements, keeping structures sound for years.
Cost-Effective
Prevents expensive structural repairs by addressing crack issues early, before they escalate.
Fills and Seals Cracks Completely
Penetrates deep into cracks, ensuring complete filling from the bottom up without gaps or air bubbles.
Extends Structure Lifespan
Prevents further crack propagation while maintaining aesthetic appeal, extending the working life of concrete structures.
How to Apply
Step-By-Step Application Guide
Applying Star Crack Shield is straightforward
Surface Preparation
Clean cracks thoroughly, removing dust, loose particles, and contaminants. Widen fine cracks to create a 1mm V-groove for better adhesion, and ensure the surface is completely dry before application.
Mixing & Application
Mix Star Crack Shield with water as per the packaging instructions, stirring continuously for at least 2 minutes for a uniform, lump-free consistency. Apply on a tacky substrate using a spatula or putty knife, pressing firmly to fill the crack completely without air bubbles.
Curing
Allow the application to cure naturally, avoiding exposure to rain, direct sunlight, and extreme temperatures. Protect the fresh application for at least 24 hours.
Testimonials
Case Studies & Testimonials
FAQs
Frequently Asked Questions
Everything you need to know about Star Crack Shield.
What is Star Crack Shield used for?
Star Crack Shield is a two-component polyurethane-based crack filling compound used for durable concrete crack repairs across buildings, bridges, terraces, and precast structures.
How wide a crack can Star Crack Shield fill?
It effectively bridges cracks up to 3mm wide while accommodating structural movements.
How long does Star Crack Shield last?
It offers up to 10 years of durable crack protection when applied correctly.
What is the coverage rate of Star Crack Shield?
Coverage is approximately 40–50 linear meters per kg for a 6mm x 6mm crack.
Does Star Crack Shield shrink after application?
No, it has non-shrink properties that maintain its volume after application, ensuring complete crack filling without gaps or voids.
What surfaces is Star Crack Shield compatible with?
It is compatible with concrete, brick, cement plaster, and brickbat coba surfaces.
Is Star Crack Shield chemical resistant?
Yes, it is resistant to various chemicals, ensuring long-term performance in harsh environments.
What tools are needed to apply Star Crack Shield?
It is applied using a spatula or putty knife, pressed firmly into the crack to ensure complete filling without air bubbles.
Does Star Crack Shield work with other Star products?
Yes, it works seamlessly with Star Lamination Shield, Star Cool Shield, and Star interior and exterior paints for comprehensive protection.
What precautions should I take during application?
Ensure the surface is completely dry, avoid direct sunlight, rain, and extreme temperatures during application and curing, protect the fresh application for 24 hours, and use appropriate personal protective equipment.
Still have questions?
Our team is happy to help with technical specs, application guidance, or a custom quote.
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