Fiberglass Duct Wrap Insulation is a type of thermal and acoustic insulation used to reduce heat loss and improve energy efficiency in ductwork systems. Made from fine glass fibers, it provides a ...

And fiberglass is a star player in this story, added David Burd, air distribution products technical manager for North America at Owens Corning. “Fiberglass duct wrap is one of the most forgiving, ...

Look for “duct wrap,” a fiberglass product with an outer foil vapor barrier. The foil barrier prevents condensation and mold ...