A referendum to place the duties of the Recorderâs Office into the County Clerkâs Office was passed by the voters of McLean County on November 6, 2012 and took effect December 31, 2013.
Depending on where you live, itâs recommended that attics have a minimum R-value of R-30 in warm climates to R-60 in cold climates. Recommended Insulation by Climate. By dividing the recommended R-value for your area by the R-value of your particular type of insulation, you find that an attic should have on average: Warm Climates (R-30 to R-49): 1  Fiberglass (blown): 14â â 18â. 2  Fiberglass (batts): 11â â 14â. 3  Cellulose (blown): 11â â 13â. 4  Rock Wool (loose): 12â â 18â. 5  Foam (sprayed): 5â â 11â.
R value is the measurement of insulation. To give an example of an R value, a standard wall in a house has an insulation R value of about 11. To ensure that your garage is insulated properly, you will want to find an insulated door that meets or exceeds the R value of the walls surrounding it. The location of where your garage door is important to think about.