Climate zone 1 consists of the following south florida counties.
R factor attic florida.
Raised r 13 sog r 0 windows.
The florida building code identifies two distinct climate zones.
Up to date values for rt the number to watch to measure covid spread.
Existing 3 4 inches of 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.
Here s what you need to know about insulation requirements in florida.
Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Residential requirements for insulation are divided by the location in the home.
Typically current best home building practices indicate an r 30 to r 38 for attic insulation.
Insulation requirements in florida.
Add insulation to attic.
Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy.
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.
Energy star s map of recommended home insulation shows that the majority of florida is within zone 2.
This zone has a recommended r value of 30 to 60 for an uninsulated attic r25 to r38 for an attic with existing insulation and r13 to r19 for the floor.
Use this insulation savings calculator to measure the financial impact of increasing your insulation performance.
To find out if you have enough attic insulation measure the thickness of the insulation.
Enter your data into the fields where indicated.
R values given in table 402 1 1 frame walls r 13 block walls interior insulation r 7 8 exterior insulation r 6 ceilings.
For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6.
Homes should have between r 22 and r 49 insulation in the attic.
See the department of energy s doe ranges for recommended levels of insulation below.
Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces.
Must be inside conditioned space tested to q n 0 03 by a class 1 bers.
