The Unilock® commitment to quality and lifetime guarantee, now extends to an impressive array of premium Natural Stone from Europe and Asia. Natural Stone from Unilock features low water absorption, excellent freeze-thaw durability and flexural strength. Precisely cut and calibrated, the stone’s natural beauty is enhanced with a variety of surface treatments. Look for the Fairstone logo on our natural stone sourced from India. The Fairstone logo is your assurance that these products are quarried and processed to the strict standards of the Ethical Trading Initiative, ensuring that no child labor is used, fair wages are paid and safe working conditions are maintained.