How Much Attic Insulation Do I Need In Florida

To measure the heat resistance ability of insulation the r value must be determined.

How much attic insulation do i need in florida.

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

Add insulation to attic. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Climate zone 1 consists of the following south florida counties. Inspecting your attic insulation.

Recommended insulation levels for retrofitting existing wood framed buildings. Most insulation you buy will have a sq ft number for easy reference. Attics are ideally insulated with r 38 insulation. If you are still wondering how much insulation do i need in my attic then this answers your question.

How much attic insulation is already there. Framed wall insulation must meet or exceed r 13. 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. Think of when you go grocery shopping.

Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. 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. The attic is one of the most important areas in your home to insulate.

All other florida counties are considered to be in climate zone 2 and require a minimum r 38. 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. The florida building code identifies two distinct climate zones. 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. Existing 3 4 inches of insulation. For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6.