Knauf EcoRoll Kraft Faced Fiberglass Insulation with ECOSE Technology is a leading sustainable insulation. These rolls are bonded with the revolutionary, industry-transforming, plant-based ECOSE Technology. They are validated by UL Environment as formaldehyde free, and they contain no Red List chemicals. Made with a high degree of recycled glass, these insulation rolls cut easily for faster installation and with low dust and low hassle. The kraft facing is durable, resists tears, and is marked in 1-foot increments to streamline installation. Like every Knauf Insulation roll, EcoRoll is resilient and recovers quickly out of the package for a snug fit. Install Knauf Insulation in your home and stay comfortable year-round.