Building insulation refers to materials that slow heat loss, including cellulose, fiberglass ... Building insulation materials are often evaluated by its R-value, a measure of thermal resistance.

Its R-value averages R-4.3 per inch ... to chemicals might be at risk with this insulation. Blown-In Cellulose Insulation Is ...

Mineral stone wool insulation batts are slightly better ... A 2×4 stud cavity filled with blown-in cellulose has an R-value ...