How Much Insulation Do I Need In My Attic In Florida

Insulation requirements in florida.

How much insulation do i need in my attic in florida.

If you are still wondering how much insulation do i need in my attic then this answers your question. Achieving greater r values in attics the higher the r value the better the thermal performance of the 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. Recommended insulation levels for retrofitting existing wood framed buildings.

Add insulation to attic. The florida building code identifies two distinct climate zones. Attics are ideally insulated with r 38 insulation. Once you ve determined the r value of insulation you need to decide which type of insulation you will use.

Homes should have between r 22 and r 49 insulation in the attic. Depending on type you will need somewhere between 10 and 18 inches of insulation to meet the recommended insulation values. Most insulation you buy will have a sq ft number for easy reference. Residential requirements for insulation are divided by the location in the home.

Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live. All other florida counties are considered to be in climate zone 2 and require a minimum r 38. Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation. Inspecting your attic insulation.

First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of 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. Existing 3 4 inches of insulation. This can be approximately 10 to 14 inches of insulation but still depending on the type of insulation.

Climate zone 1 consists of the following south florida counties. Previous post next post. 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. Whether there is existing insulation.

Ceiling insulation must be much higher at r 30 and a raised floor must be at least r 13. Framed wall insulation must meet or exceed r 13. Your attic is the most important area of your home to insulate properly. A properly insulated attic doesn t let in allergens or mold causing moisture and insulation helps your attic to ventilate properly so heat doesn t get trapped.