Sealing large air leaks is next followed by insulating the basement.
Most efficient insulation for attic.
A federal energy tax credit can help homeowners recoup their insulation investment if they complete the improvements by the end of 2007.
On average roll insulation costs less than other types of insulation source.
The big disadvantage with spray foam is cost.
For diy attic insulation you ve got two choices.
Submitted by ian macleod on thu 02 05 2009 04 00.
Blown in cellulose is an excellent option for an attic because it will fill all the.
Spray foam insulation sticks to whatever surface you spray it to.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.
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.
Insulation level are specified by r value.
For this application i would recommend either.
I d blow insulation on the attic floor after air sealing of course.
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.
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.
So your installer can apply insulation to the ceiling in addition to the rest of your attic for added protection.
R value is a measure of insulation s ability to resist heat traveling through it.
This will be the most heavily insulated part of.
Would that insulation also be the most energy efficient.
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.
Loose fill or batt the common term for blanket insulation.
So it s time to pay close attention to what s happening up there.
The higher the r value the better the thermal performance of the insulation.
Spray foam products are most easily installed in newly constructed homes.
Attics generally require an r value of r 35 to r 45.
There are other materials and systems that you can use to insulate your attic.
By crawl space above your house i assume you mean the attic area.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
Most federal tax credits for weatherizing your house and boosting its energy efficiency expired in 2011.