How Many Inches Of Insulation In Attic In Florida

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.

How many inches of insulation in attic in florida.

Once you ve determined the r value of insulation you need to decide which type of insulation you will use. Not having the right thickness will cost you more money in higher electric bills. Energy star s map of recommended home insulation shows that the majority of florida is within zone 2. Energystar recommends an r value of r 38 for most homes.

First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. That translates to about 12 inches of insulation. This zone has a recommended r value of 30 to 60 for an uninsulated attic r25 to r38 for an attic with existing insulation and r13 to r19 for the floor. Click the button to calculate the depth in inches and pounds of total insulation required for this job.

You can see on home depot s website how many inches translates to a certain r value. Input length width and desired r value of the area to be insulated. 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.

This calculator is to be used as an estimating tool only. 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. 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. 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.

Lee miami dade monroe and palm beach and require a minimum r 30 attic insulation. All other florida counties are considered to be in climate zone 2 and require a minimum r 38. The r value your home s attic needs depends on where you live. Inspecting your attic insulation.