CertainTeed's Ultra*Duct™ Black Duct Board is a high-quality insulation solution for commercial and industrial HVAC systems, with exceptional thermal and acoustical insulation properties, durability, and ease of installation. Available in a range of R-values, it's a popular choice among building owners, architects, and contractors alike.

CertainTeed® 708305 EI800 Ductboard, 1.5 x 48 x 120, Palletized