Attic Insulation Below Minimum Level

The average recommended level is 17 inches of r60.

Attic insulation below minimum level. 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. 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. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.

Inspecting your attic insulation. In zone 3 the average minimum requirement for attic insulation is 9 inches of r30 fill. In zone 4 the average minimum requirement for attic insulation is 11 inches of r38 fill. The ceilings of storage attics are often quite low and as wasting expensive space is undesirable the insulation used for the space should be chosen carefully to avoid unnecessary reduction of space.

Improve air quality with the passage of time dust dirt mold and other pollutants can accumulate in your home through air leaks as a result of poor insulation. Recommended insulation levels for retrofitting existing wood framed buildings. Existing 3 4 inches of insulation. Add insulation to attic.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. By boosting your attic insulation from r 11 to r 49 you can save up to 600 per year which means it will pay for itself in less than 2 years if you go diy.