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