Best Insulation For Attic In Florida

The cost to add attic insulation to a florida home ranges from 2 000 to 6 000.

Best insulation for attic in florida.

The big disadvantage with spray foam is cost. This option is generally the most expensive but it s also the best insulator because the foam expands up to 100 times its volume to fill in cracks and crevices blow in insulation doesn t expand. Typically current best home building practices indicate an r 30 to r 38 for attic 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.

The attic is in general the more important space to install thermal insulation in a south florida s homes. Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation. Framed wall insulation must meet or exceed r 13. 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.

Ceiling insulation must be much higher at r 30 and a raised floor must be at. I d blow insulation on the attic floor after air sealing of course. As time moves on electricity prices have increased and the cost of attic insulation has decreased. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.

If you do not have at least 10 to 12 of insulation in your attic you need more insulation. Because the foam fills space so well it eliminates almost. So it s time to pay close attention to what s happening up there. For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6.

Most insulation you buy will have a sq ft number for easy reference. There are other materials and systems that you can use to insulate your attic. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. Why should you care about insulation for attics.

Residential requirements for insulation are divided by the location in the home. Insulation requirements in florida. For diy attic insulation you ve got two choices. 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.

Climate zone 1 consists of the following south florida counties. Heat rises which means it ends up in the attic. Both can be added to uninsulated attics or layered over existing material. Loose fill or batt the common term for blanket insulation.