Residential Design & Build Product Guide

ToughGard Duct Liner

CertainTeed ToughGard Duct Liner with Enhanced Surface is a HVAC system duct liner produced with a surface coating with moisture-repellent properties that provides optimum acoustical performance. The 'breathable" Enhanced Surface coating preserves the sound-dampening performance of the duct liner by allowing sound waves to pass through the open-cell structure and into the sound-absorbing glass fiber mat.