Sealing large air leaks is next followed by insulating the basement.
Most efficient insulation for attic.
Most often found in attics basements walls floors and ceilings insulation can save up to 20 percent on a home s heating and cooling costs making it one of the most important energy efficient tools at your disposal.
There are other materials and systems that you can use to insulate your attic.
I d blow insulation on the attic floor after air sealing of course.
The big disadvantage with spray foam is cost.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
Spray foam products are most easily installed in newly constructed homes.
Loose fill or batt the common term for blanket insulation.
For diy attic insulation you ve got two choices.
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.
Submitted by ian macleod on thu 02 05 2009 04 00.
Sometimes however insulation isn t enough.
By crawl space above your house i assume you mean the attic area.
A federal energy tax credit can help homeowners recoup their insulation investment if they complete the improvements by the end of 2007.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.
So your installer can apply insulation to the ceiling in addition to the rest of your attic for added protection.
So it s time to pay close attention to what s happening up there.
Blown in cellulose is an excellent option for an attic because it will fill all the.
R value is a measure of insulation s ability to resist heat traveling through it.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
For this application i would recommend either.
This will be the most heavily insulated part of.
Insulation level are specified by r value.
The attic is the easiest place to insulate and the most important in terms of saving money and energy.
Insulation is one of the most effective ways to improve the energy efficiency of your attic.
Most federal tax credits for weatherizing your house and boosting its energy efficiency expired in 2011.
Would that insulation also be the most energy efficient.
Attics generally require an r value of r 35 to r 45.
The higher the r value the better the thermal performance of the insulation.
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.
