Attic Insulation Requirements Indiana

Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Attic insulation requirements indiana.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. The ventilation amount and opening size requirements can be found in section 806 roof ventilation of chapter 8 roof ceiling construction. Insulation institute association provides resources and information on spray foam rockwool and fiberglass insulation insulation r values building code changes as well as instructions for homeowners and building professionals when installing insulation in attics ceilings and other interior locations. 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.

R value is a measure of insulation s ability to resist heat traveling through it. N1101 4 1 blown or sprayed roof ceiling insulation. For diy attic insulation you ve got two choices. The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home.

Insulation requirements for slab on grade floors are further specified in iecc section r402 2 9. Inspecting your attic insulation. R 5 shall be added to the required slab edge r values for heated slabs. Insulation level are specified by r value.

Special insulation exceptions related to ceilings with attic spaces ceilings without attic spaces masonry veneer and. Install foam insulation for a closed attic system and you stop the extreme temperatures never allowing the air to invade the space keeping it conditioned to the home s temperature. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. 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 following are the requirements taken directly from the irc. The higher the r value the better the thermal performance of the insulation. Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary. The table below shows what levels of insulation are cost effective for different climates and locations in the home.

Both can be added to uninsulated attics or layered over existing material. Loose fill or batt the common term for blanket insulation.