Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation.
Attic insulation florida code.
Yes generally a higher r value means a more effective insulator but the highest r value possible may not be necessarily right for your project.
For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6.
Framed wall insulation must meet or exceed r 13.
The florida building code identifies two distinct climate zones.
Section r806 5 spray foam code local codes based on irc 2009.
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.
Section r316 local codes based on irc 2012.
Here s what you need to know about insulation requirements in florida.
Typically current best home building practices indicate an r 30 to r 38 for attic insulation.
Most insulation you buy will have a sq ft number for easy reference.
Unvented attic code local codes based on irc 2009.
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.
All florida insulation proper insulation levels for attic insulation in orlando maitland lake mary longwood gotha call 407 410 3626 for a free quote.
Section r806 4 local codes based on irc 2012.
Climate zone 1 consists of the following south florida counties.
Insulation requirements in florida.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
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.
Residential requirements for insulation are divided by the location in the home.