How Much Insulation Do I Need In My Attic In Florida

Add insulation to attic.

How much insulation do i need in my attic in florida.

If you are still wondering how much insulation do i need in my attic then this answers your question. 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. For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6. Most insulation you buy will have a sq ft number for easy reference.

Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation. Inspecting your attic insulation. It requires an r value of 30 to 60. 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.

Climate zone 1 consists of the following south florida counties. To measure the heat resistance ability of insulation the r value must be determined. Framed wall insulation must meet or exceed r 13. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.

The florida building code identifies two distinct climate zones. Homes should have between r 22 and r 49 insulation in the attic. Your attic is the most important area of your home to insulate properly. Attics are ideally insulated with r 38 insulation.

Whether there is existing insulation. All other florida counties are considered to be in climate zone 2 and require a minimum r 38. Depending on type you will need somewhere between 10 and 18 inches of insulation to meet the recommended insulation values. Once you ve determined the r value of insulation you need to decide which type of insulation you will use.

Existing 3 4 inches of insulation. Previous post next post. 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. Residential requirements for insulation are divided by the location in the home.

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