Insulation is one of the most effective ways to improve the energy efficiency of your attic.
Most efficient insulation for attic.
Most federal tax credits for weatherizing your house and boosting its energy efficiency expired in 2011.
By crawl space above your house i assume you mean the attic area.
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.
A federal energy tax credit can help homeowners recoup their insulation investment if they complete the improvements by the end of 2007.
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.
Loose fill or batt the common term for blanket insulation.
Sometimes however insulation isn t enough.
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.
Blown in cellulose is an excellent option for an attic because it will fill all the.
For diy attic insulation you ve got two choices.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
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.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.
Spray foam insulation sticks to whatever surface you spray it to.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
The big disadvantage with spray foam is cost.
Submitted by ian macleod on thu 02 05 2009 04 00.
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.
Insulation level are specified by r value.
Spray foam products are most easily installed in newly constructed homes.
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.
The higher the r value the better the thermal performance of the insulation.
On average roll insulation costs less than other types of insulation source.
So it s time to pay close attention to what s happening up there.
For this application i would recommend either.
Sealing large air leaks is next followed by insulating the basement.
