R Factor Attic Florida

Existing 3 4 inches of insulation.

R factor attic florida. The florida building code identifies two distinct climate zones. Residential requirements for insulation are divided by the location in the home. Framed wall insulation must meet or exceed r 13. Insulation requirements in florida.

Must be inside conditioned space tested to q n 0 03 by a class 1 bers. Maximum 20 of conditioned floor area. Up to date values for rt the number to watch to measure covid spread. R values given in table 402 1 1 frame walls r 13 block walls interior insulation r 7 8 exterior insulation r 6 ceilings.

Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation. Add insulation to attic. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Typically current best home building practices indicate an r 30 to r 38 for attic insulation.

If it is less than r 22 7 inches of fiber glass or rock wool or 6 inches of cellulose you could probably benefit by adding more. Enter your data into the fields where indicated. Homes should have between r 22 and r 49 insulation in the attic. To find out if you have enough attic insulation measure the thickness of the insulation.

Energy star s map of recommended home insulation shows that the majority of florida is within zone 2. Use this insulation savings calculator to measure the financial impact of increasing your insulation performance. Recommended insulation levels for retrofitting existing wood framed buildings. Here s what you need to know about insulation requirements in florida.

Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy. For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6. See the department of energy s doe ranges for recommended levels of insulation below. 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.