How Many Inches Of Insulation In Attic In Florida

Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live.
How many inches of insulation in attic in florida. Not having the right thickness will cost you more money in higher electric bills. Input length width and desired r value of the area to be insulated. You can measure attic insulation thickness with a ruler and multiply the number of inches by the r value of that particular insulation to get an insulation rating. Inspecting your attic insulation.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended. All other florida counties are considered to be in climate zone 2 and require a minimum r 38. That translates to about 12 inches of insulation.
Once you ve determined the r value of insulation you need to decide which type of insulation you will use. Lee miami dade monroe and palm beach and require a minimum r 30 attic insulation. You can see on home depot s website how many inches translates to a certain r value. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
For loose fill cellulose this translates to a total depth ranging from 8 inches. We recommend that every home owner in florida check their attic to see if you need more insulation. If you do not have at least 10 to 12 of insulation in your attic you need more insulation. Energystar recommends an r value of r 38 for most homes.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. Depending on type you will need somewhere between 10 and 18 inches of insulation to meet the recommended insulation values. Click the button to calculate the depth in inches and pounds of total insulation required for this job. Energy star s map of recommended home insulation shows that the majority of florida is within zone 2.