R Factor Attic Florida

Raised r 13 sog r 0 windows.

R factor attic florida.

Existing 3 4 inches of insulation. Add insulation to attic. Energy star s map of recommended home insulation shows that the majority of florida is within zone 2. 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.

Insulation requirements in florida. Typically current best home building practices indicate an r 30 to r 38 for attic insulation. For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6. The florida building code identifies two distinct climate zones.

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. Here s what you need to know about insulation requirements in florida. See the department of energy s doe ranges for recommended levels of insulation below. R values given in table 402 1 1 frame walls r 13 block walls interior insulation r 7 8 exterior insulation r 6 ceilings.

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. Climate zone 1 consists of the following south florida counties. Maximum 20 of conditioned floor area.

Homes should have between r 22 and r 49 insulation in the attic. Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy. 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.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Enter your data into the fields where indicated. To find out if you have enough attic insulation measure the thickness of the insulation. Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation.

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