If you do not have at least 10 to 12 of insulation in your attic you need more insulation.
Best insulation for florida attics.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
I d blow insulation on the attic floor after air sealing of course.
Cost of spray foam insulation.
Climate zone 1 consists of the following south florida counties.
There are other materials and systems that you can use to insulate your attic.
Loose fill or batt the common term for blanket insulation.
The florida building code identifies two distinct climate zones.
The big disadvantage with spray foam is cost.
So it s time to pay close attention to what s happening up there.
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.
Most insulation you buy will have a sq ft number for easy reference.
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.
We recommend that every home owner in florida check their attic to see if you need more insulation.
But if you ve done research into insulation types you may be wondering.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
As time moves on electricity prices have increased and the cost of attic insulation has decreased.
Is spray foam insulation worth it.
Then this is the perfect time to think about your 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.
The attic is in general the more important space to install thermal insulation in a south florida s homes.
Typically current best home building practices indicate an r 30 to r 38 for attic insulation.
While there are many different types of insulation the best insulation for florida homes is spray foam insulation.
For diy attic insulation you ve got two choices.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.
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.
Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation.
Both can be added to uninsulated attics or layered over existing material.