• Dyn-O-Coat combines the flexibility of sealants, with the quick drying advantage of aerosol to bring you a highly efficient Edge Coating. Simply spray on rips, tears and cut edges to encapsulate fiberglass strands, preventing their entry into the airstream. Dyn-O-Coat dries quickly to a matte black finish to match most perma-coat and matte-faced liners on the market today. It is ideal for use on internally lined ductwork, fiberglass duct wrap and rigid fiberglass duct board. • Can be used on all transverse edges of lined duct in accordance with SMACNA Duct Construction Standards • Encapsulates cut or damaged edges and seams on fiberglass liner • Matte black finish • Sprayable solution to duct buttering liner • Dome-shaped can for easy grip • Fast, convenient, easy application • Quick drying, tack free after curing • Flexible & Durable • CARB compliant