How Much Insulation Do I Need In My Attic In Florida

Most insulation you buy will have a sq ft number for easy reference.

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

Residential requirements for insulation are divided by the location in the home. Depending on type you will need somewhere between 10 and 18 inches of insulation to meet the recommended insulation values. The florida building code identifies two distinct climate zones. Previous post next post.

Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation. Framed wall insulation must meet or exceed r 13. Existing 3 4 inches of insulation. 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.

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. Add insulation to attic. Attics are ideally insulated with r 38 insulation.

Inspecting your attic insulation. Your attic is the most important area of your home to insulate properly. Climate zone 1 consists of the following south florida counties. Once you ve determined the r value of insulation you need to decide which type of insulation you will use.

Homes should have between r 22 and r 49 insulation in the attic. Whether there is existing insulation. To measure the heat resistance ability of insulation the r value must be determined. Insulation requirements in florida.

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. 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. Recommended insulation levels for retrofitting existing wood framed buildings.

If you are still wondering how much insulation do i need in my attic then this answers your question. 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. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. All other florida counties are considered to be in climate zone 2 and require a minimum r 38.