Is the most popular insulation in south florida for retrofit homes.
Best insulation for attic florida.
Typically current best home building practices indicate an r 30 to r 38 for attic insulation.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Studies have shown that greenfiber insulation can reduce your heating and air conditioning bill by up to 22.
It s a sandwich of rigid foam insulation and plywood or osb oriented strand board the flaky plywood.
There are other materials and systems that you can use to insulate your attic.
The florida building code identifies two distinct climate zones.
Homes should have between r 22 and r 49 insulation in the attic.
It s available in fiberglass mineral wool plastic fibers and natural fibers.
One that i like a lot since i built a house out of them is the structural insulated panel.
The installation is fast has good fire performance is effective and affordable the disadvantage is that the effectiveness of the insulation or r value degrades faster than any other type of insulation.
This type of insulation.
Most insulation you buy will have a sq ft number for easy reference.
If your attic has enough insulation and your home still feels drafty and cold in the winter or too warm in the summer chances are you need to add insulation to the exterior walls as well.
Spray foam insulation is designed to seal air leaks and to keep out water and mold.
It keeps the wanted and expensive air in your home while blocking the rest out.
Blanket insulation is available as batts or rolls and is the easiest diy insulation material.
Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation.
Cellulose fiberglass and mineral wool are common materials used for loose fill and blown in insulation.
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.