The environmentally friendly crumb rubber Sous-couche is produced by recycling used tires into granulated rubber particles. The particles are then bonded together creating a long-lasting, environmentally sustainable product. Our crumb rubber Sous-couche has been awarded the green label which certifies that this product meets strict air quality testing. Besides being long-lasting, our crumb rubber Sous-couche provides excellent sound and thermal insulation, is non-absorbent, and mold and insect resistant. Crumb rubber Sous-couche is an exceptional product for high traffic areas and is highly resistant to indentation. It will increase the life of your carpet by many years.