Most insulation you buy will have a sq ft number for easy reference.
Attic insulation florida code.
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.
When designing and building an unvented attic using spray foam insulation you need to take into account code related to.
Climate zone 1 consists of the following south florida counties.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Section r316 local codes based on irc 2012.
Section r316 building thermal envelope code local codes.
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.
The florida building code identifies two distinct climate zones.
Unvented attic code local codes based on irc 2009.
For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6.
Insulation requirements in florida.
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.
Here s what you need to know about insulation requirements in florida.
What r value is best for my home.
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.
Section r806 4 local codes based on irc 2012.
All florida insulation proper insulation levels for attic insulation in orlando maitland lake mary longwood gotha call 407 410 3626 for a free quote.
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.
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.
