Florida Attic Insulation Code

Raised r 13 sog r 0 windows.

Florida attic insulation code. Adding insulation to the attic is relatively easy and very cost effective. What r value is best for my home. Most insulation you buy will have a sq ft number for easy reference. Framed wall insulation must meet or exceed r 13.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. There are different insulation requirements and recommendations for different parts of your home. Homes should have between r 22 and r 49 insulation in the attic. Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation.

Maximum 20 of conditioned floor area. Must be inside conditioned space tested to q n 0 03 by a class 1 bers rater or class a b or mechanical contractor hvac controls. Insulation requirements in florida. The florida building code identifies two distinct climate zones.

Recommended insulation levels for retrofitting existing wood framed buildings. Insulation in your walls floors and ceilings helps to keep your home cool in the summer and warm in the winter. Climate zone 1 consists of the following south florida counties. To find out if you have enough attic insulation measure the thickness of the insulation.

Today we ll go over insulation for your attic and why it s essential to your florida home. 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. But the story doesn t end there. 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.

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. Interior insulation r 7 8 exterior insulation r 6 ceilings. Typically current best home building practices indicate an r 30 to r 38 for attic insulation. Add insulation to attic.

Residential requirements for insulation are divided by the location in the home. Here s what you need to know about insulation requirements in florida. Existing 3 4 inches of insulation. For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6.