I d blow insulation on the attic floor after air sealing of course.
Best insulation for florida attics.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.
Heat rises which means it ends up in the attic.
So it s time to pay close attention to what s happening up there.
The ideal attic insulation r value is different than the ideal wall insulation r value.
There are other materials and systems that you can use to insulate your attic.
During the day the heat goes inside the house through the roof deck into the attic space and down into the living space through the ceiling.
Why should you care about insulation for attics.
Both can be added to uninsulated attics or layered over existing material.
Most insulation you buy will have a sq ft number for easy reference.
Achieving greater r values in attics.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
Insulation requirements in florida.
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.
Because the foam fills space so well it eliminates almost.
Loose fill or batt the common term for blanket insulation.
According to the florida department of agriculture and consumer services attic insulation is the most important location and best return on investment okay but why.
Typically current best home building practices indicate an r 30 to r 38 for attic insulation.
The big disadvantage with spray foam is cost.
The florida building code identifies two distinct climate zones.
For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6.
The attic is in general the more important space to install thermal insulation in a south florida s homes.
The cost to add attic insulation to a florida home ranges from 2 000 to 6 000.
Climate zone 1 consists of the following south florida counties.
Here s what you need to know about insulation requirements in florida.
You can mix the type and material of insulation too.
Insulation ratings can be improved by adding more layers of insulation.
Make sure your home is properly insulated in all these locations.
For diy attic insulation you ve got two choices.
