Notable ones were the Duke Johann Ernst during Bach's ti â¦ me in Weimar, Prince Leopold (Bach's patron while he was in Kothen) and the Leipzig council during the final years of his life. But not all his music was composed for his patrons.
Blow-in cellulose insulation has been around since the 1920âs and consists predominantly of recovered or recycled newsprint and/or corrugated cardboard, treated with a fire retardant. Three main types of blow-in cellulose insulation are used in residential application: loose fill, stabilized, and wall-cavity spray. Spray-in Foam Spray-in or spray-on polyurethane foam expands to fill cracks and voids to form a tightly sealed barrier.
While you canât have too much insulation, older homes often donât have enough. To determine the R-value of the insulation in your attic, you need to know the R-value of the type of insulation in your home and the thickness of the insulation. R-Value of Insulation by Type. Here are the R-values per inch of the most common types of insulation: Fiberglass (blown): 2.2 â 2.9. Fiberglass (batts): 2.9 â 3.8. Cellulose (blown): 3.1 â 3.8. Rock Wool (loose): 2.2 â 3.3. Foam (sprayed): 3.6 â 8.2.