Attic Insulation No Deep Enough

Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and to prevent thermal bridging the heat loss that occurs through the wood framing.

Attic insulation no deep enough.

Adding insulation cuts down on energy required to keep the temperature regulated in your home. If it s shallower than 7 deep your home is lacks enough insulation. To see how to add. Work from the perimeter of the attic toward the door or hatch so that you don t trample all over the insulation you just put in.

You can assess existing insulation to find out if you have enough in your attic. No matter where you live energy efficiency is always a wise home investment. Not getting insulation out to the edges when you re prepping the attic use a broom handle or stick to push the existing insulation out to the edges. The higher the r value the better the thermal performance of the insulation.

Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter. It is important that the insulation be evenly distributed with no low spots. If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs. In atlanta 16 18 deep is recommended.

Additionally if your home is more than 10 years old you ll likely need increased insulation. Not sealing attic air leaks first no amount of insulation is going to help if you don t seal your attic properly says olson. Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic. How well a particular insulation works is expressed by the r value which ranges from 2 0 to 8 0 per inch of insulation.

Poor insulation is usually the culprit although if you enter the attic on sunny winter day your attic space can be warmed by the sun more than your furnace. R value is a measure of insulation s ability to resist heat traveling through it. Having enough insulation in your attic is one of the best ways to save energy on both heating and cooling your home. Sometimes there is enough insulation in the middle of the attic and very little along the eaves.

If you cannot see any of the floor joists because the insulation is well above them you probably have enough and adding more may not be cost effective. Insulation level are specified by r value. The table below shows what levels of insulation are cost effective for different climates and locations in the home.