Cork insulation comes in boards with an R-value of 3.6 to 4.2 per inch. Though one of the most sustainable insulations, it ...

Loose-fill fiberglass attic insulation still experiences convection ... When air can’t move through it, you have zero heat ...

But for Buddy Combs, Specifications Specialist at Knauf Insulation, that connection is a key part of his work. As an industry, fiberglass insulation manufacturers rank among the largest users of ...