Most Efficient Insulation For Attic

On average roll insulation costs less than other types of insulation source.

Most efficient insulation for attic.

R value is a measure of insulation s ability to resist heat traveling through it. But your state s energy office or local utility may offer product rebates discounts or other financial incentives for. Most federal tax credits for weatherizing your house and boosting its energy efficiency expired in 2011. The table below shows what levels of insulation are cost effective for different climates and locations in the home.

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. There are other materials and systems that you can use to insulate your attic. Would that insulation also be the most energy efficient. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.

Insulation is one of the most effective ways to improve the energy efficiency of your attic. By crawl space above your house i assume you mean the attic area. Sealing large air leaks is next followed by insulating the basement. Spray foam insulation sticks to whatever surface you spray it to.

This will be the most heavily insulated part of. The attic is the easiest place to insulate and the most important in terms of saving money and energy. When comparing types of insulation you should remember that they re measured in terms of their resistance to heat flow indicated by r value choosing the right insulation type can vary depending on your needs and your desire to be green. Attics generally require an r value of r 35 to r 45.

So your installer can apply insulation to the ceiling in addition to the rest of your attic for added protection. For diy attic insulation you ve got two choices. For this application i would recommend either. A federal energy tax credit can help homeowners recoup their insulation investment if they complete the improvements by the end of 2007.

Insulation level are specified by r value. The higher the r value the better the thermal performance of the insulation. I d blow insulation on the attic floor after air sealing of course. Installing high r value insulation in your attic will create a barrier to prevent the heat or cold from escaping thus making your home more energy efficient.

The big disadvantage with spray foam is cost. Loose fill or batt the common term for blanket insulation. Sometimes however insulation isn t enough. Spray foam products are most easily installed in newly constructed homes.

Submitted by ian macleod on thu 02 05 2009 04 00.