How Much Attic Insulation Do I Need In Florida

Homes should have between r 22 and r 49 insulation in the attic.

How much attic insulation do i need in florida.

This can be approximately 10 to 14 inches of insulation but still depending on the type of insulation. How much attic insulation is already there. To measure the heat resistance ability of insulation the r value must be determined. If your attic has enough insulation and your home still feels drafty and cold in the winter or too warm in the summer chances are you need to add insulation to the exterior walls as well.

For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6. Insulation requirements in florida. Recommended insulation levels for retrofitting existing wood framed buildings. Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation.

Inspecting your attic insulation. If you are still wondering how much insulation do i need in my attic then this answers your question. All other florida counties are considered to be in climate zone 2 and require a minimum r 38. Let s say you measured your attic and you realize your attic has about 9 inches r 30 of insulation and your attic is about 40 sq feet you d need at least 3 inches of extra insulation that covers 40 sq ft to get an r value of r 38.

Energy star s map of recommended home insulation shows that the majority of florida is within zone 2. The florida building code identifies two distinct climate zones. The attic is one of the most important areas in your home to insulate. Add insulation to attic.

Ceiling insulation must be much higher at r 30 and a raised floor must be at least r 13. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Framed wall insulation must meet or exceed r 13. Existing 3 4 inches of insulation.

Most insulation you buy will have a sq ft number for easy reference. Think of when you go grocery shopping. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Residential requirements for insulation are divided by the location in the home.

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. So if you re thinking of adding insulation to your florida home s attic you need to ask yourself these three questions to ensure the project is successful. 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.