QuietR Duct Liner Board
![Product Image: Insulated Duct Board](https://www.breedinginsulation.us/wp-content/uploads/2017/09/DUCT_BOARD_475.jpg)
Product Description
QuietR Duct Liner Board is a bonded board of glass fibers designed to be installed inside sheet metal ductwork or plenums with metal fasteners and adhesives. The air stream surface is protected with a black, high-density, durable glass-mat facing.