Homes should have between r 22 and r 49 insulation in the attic.
R factor attic florida.
Recommended insulation levels for retrofitting existing wood framed buildings.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Energy star s map of recommended home insulation shows that the majority of florida is within zone 2.
Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation.
Typically current best home building practices indicate an r 30 to r 38 for attic insulation.
Here s what you need to know about insulation requirements in florida.
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.
Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy.
R values given in table 402 1 1 frame walls r 13 block walls interior insulation r 7 8 exterior insulation r 6 ceilings.
Maximum 20 of conditioned floor area.
Insulation requirements in florida.
Must be inside conditioned space tested to q n 0 03 by a class 1 bers.
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.
Residential requirements for insulation are divided by the location in the home.
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Existing 3 4 inches of insulation.
See the department of energy s doe ranges for recommended levels of insulation below.
Add insulation to attic.
Framed wall insulation must meet or exceed r 13.
The florida building code identifies two distinct climate zones.
To find out if you have enough attic insulation measure the thickness of the insulation.
Climate zone 1 consists of the following south florida counties.
For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6.
Up to date values for rt the number to watch to measure covid spread.
