Best Insulation For Attic Florida

Greenfiber is a cellulose insulation that is very effective at eliminating cool air from the house escaping into the attic and hot air from the attic entering the house.
Best insulation for attic florida. Spray foam insulation is designed to seal air leaks and to keep out water and mold. There are other materials and systems that you can use to insulate your attic. 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. Its properties make it an excellent choice for attic insulation.
Climate zone 1 consists of the following south florida counties. Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation. 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. It keeps the wanted and expensive air in your home while blocking the rest out.
Most insulation you buy will have a sq ft number for easy reference. Homes should have between r 22 and r 49 insulation in the attic. Studies have shown that greenfiber insulation can reduce your heating and air conditioning bill by up to 22. It s available in fiberglass mineral wool plastic fibers and natural fibers.
The florida building code identifies two distinct climate zones. 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. It s a sandwich of rigid foam insulation and plywood or osb oriented strand board the flaky plywood. Blanket insulation is available as batts or rolls and is the easiest diy insulation material.
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. Typically current best home building practices indicate an r 30 to r 38 for attic insulation. Is the most popular insulation in south florida for retrofit homes. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.