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.

For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6. This can be approximately 10 to 14 inches of insulation but still depending on the type of insulation. Recommended insulation levels for retrofitting existing wood framed buildings. Inspecting your attic insulation.

Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation. Insulation requirements in florida. To measure the heat resistance ability of insulation the r value must be determined. The florida building code identifies two distinct climate zones.

How much attic insulation is already there. If you are still wondering how much insulation do i need in my attic then this answers your question. 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. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.

Attics are ideally insulated with r 38 insulation. Most insulation you buy will have a sq ft number for easy reference. 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. Existing 3 4 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. 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. Energy star s map of recommended home insulation shows that the majority of florida is within zone 2. Framed wall insulation must meet or exceed r 13.

Ceiling insulation must be much higher at r 30 and a raised floor must be at least r 13. All other florida counties are considered to be in climate zone 2 and require a minimum r 38. Think of when you go grocery shopping. 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.

Residential requirements for insulation are divided by the location in the home. 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.