All Knauf Insulation products are sustainable, but EcoBatt® Glasswool Insulation with ECOSE® Technology takes that standard to a whole new level. ECOSE® Technology is a revolutionary, more sustainable binder based on rapidly renewable bio-based materials. Combine ECOSE® Technology with sand—one of the world’s most abundant resources—and a minimum 60% post-consumer recycled bottle glass and the result is Knauf Insulation’s EcoBatt® Insulation.