Adding insulation to the attic is relatively easy and very cost effective.
Florida attic insulation code.
Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation.
Existing 3 4 inches of insulation.
Residential requirements for insulation are divided by the location in the home.
To find out if you have enough attic insulation measure the thickness of the insulation.
Insulation in your walls floors and ceilings helps to keep your home cool in the summer and warm in the winter.
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.
Contributes to but does not supersede thermal resistance requirements for attic and roof assemblies in section c402 2 1 of the florida building code energy conservation.
The florida building code identifies two distinct climate zones.
Typically current best home building practices indicate an r 30 to r 38 for attic insulation.
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.
Maximum 20 of conditioned floor area.
Add insulation to attic.
There are different insulation requirements and recommendations for different parts of your home.
Here s what you need to know about insulation requirements in florida.
Insulation requirements in florida.
But the story doesn t end there.
Today we ll go over insulation for your attic and why it s essential to your florida home.
Homes should have between r 22 and r 49 insulation in the attic.
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.
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.
Recommended insulation levels for retrofitting existing wood framed buildings.
Blown fiberglass installed in the attic has an r value of 2 2 per inch so 12 inches of it would give you an r value of 26 4 in your attic installation project.
What r value is best for my home.
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.
Most insulation you buy will have a sq ft number for easy reference.
