Description: Heavy black polyethylene jacket with UV inhibitors 1 1/4” thick, 3/4 PCF density glass fiber R-Value: 4.2 For use outdoors or indoors ...

Description: Heavy black polyethylene jacket with UV inhibitors 1 1/4” thick, 3/4 PCF density glass fiber R-Value: 4.2 For use outdoors or indoors ...

We break down each major cost factor below. Ductwork ranges from $1 to $12 per linear foot, depending on your material of choice. Noninsulated flex ducts — similar to an exhaust hose that you ...