How Much Insulation Do I Need In My Attic In Florida

Once you ve determined the r value of insulation you need to decide which type of insulation you will use.

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

Recommended insulation levels for retrofitting existing wood framed buildings. Ceiling insulation must be much higher at r 30 and a raised floor must be at least r 13. The florida building code identifies two distinct climate zones. Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation.

Most insulation you buy will have a sq ft number for easy reference. Framed wall insulation must meet or exceed r 13. For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6. If you are still wondering how much insulation do i need in my attic then this answers your question.

Add insulation to attic. 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. 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.

Your attic is the most important area of your home to insulate properly. Residential requirements for insulation are divided by the location in the home. It requires an r value of 30 to 60. To measure the heat resistance ability of insulation the r value must be determined.

Attics are ideally insulated with r 38 insulation. Climate zone 1 consists of the following south florida counties. 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. Depending on type you will need somewhere between 10 and 18 inches of insulation to meet the recommended insulation values.

First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Inspecting your attic insulation. This can be approximately 10 to 14 inches of insulation but still depending on the type of 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.

Previous post next post. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Whether there is existing insulation. Insulation requirements in florida.