How Much Insulation Do I Need In My Attic In Florida

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

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

Insulation requirements in florida. To measure the heat resistance ability of insulation the r value must be determined. Once you ve determined the r value of insulation you need to decide which type of insulation you will use. It requires an r value of 30 to 60.

Your attic is the most important area of your home to insulate properly. 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. For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6. All other florida counties are considered to be in climate zone 2 and require a minimum r 38.

A properly insulated attic doesn t let in allergens or mold causing moisture and insulation helps your attic to ventilate properly so heat doesn t get trapped. Existing 3 4 inches of insulation. Previous post next post. Depending on type you will need somewhere between 10 and 18 inches of insulation to meet the recommended insulation values.

Add insulation to attic. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. If you are still wondering how much insulation do i need in my attic then this answers your question. Most insulation you buy will have a sq ft number for easy reference.

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. 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. Climate zone 1 consists of the following south florida counties. Homes should have between r 22 and r 49 insulation in the attic.

Attics are ideally insulated with r 38 insulation. The florida building code identifies two distinct climate zones. 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.

Inspecting your attic insulation. Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic 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. This can be approximately 10 to 14 inches of insulation but still depending on the type of insulation.