Cellulose has an R-value of 3.5 per inch of insulation, so six inches gives you a total R-value of 21. Also known by the ...

Be aware, though, that you may have to special-order mineral wool batts. We used Roxul r value insulation batts. Mineral wool ...

Insulation reduces unwanted heat loss or gain, while decreasing energy demands of heating or cooling systems. Building insulation refers to materials that slow heat loss, including cellulose, ...