The higher the r value the better the thermal performance of the insulation.
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.
Spray foam products are most easily installed in newly constructed homes.
Insulation level are specified by r value.
On average roll insulation costs less than other types of insulation source.
Loose fill or batt the common term for blanket insulation.
By crawl space above your house i assume you mean the attic area.
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.
For this application i would recommend either.
So your installer can apply insulation to the ceiling in addition to the rest of your attic for added protection.
Blown in cellulose is an excellent option for an attic because it will fill all the.
Submitted by ian macleod on thu 02 05 2009 04 00.
Sometimes however insulation isn t enough.
But your state s energy office or local utility may offer product rebates discounts or other financial incentives for.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
Spray foam insulation sticks to whatever surface you spray it to.
So it s time to pay close attention to what s happening up there.
Attics generally require an r value of r 35 to r 45.
The attic is the easiest place to insulate and the most important in terms of saving money and energy.
I d blow insulation on the attic floor after air sealing of course.
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.
Sealing large air leaks is next followed by insulating the basement.
This will be the most heavily insulated part of.
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.
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.
R value is a measure of insulation s ability to resist heat traveling through it.
Insulation is one of the most effective ways to improve the energy efficiency of your attic.
There are other materials and systems that you can use to insulate your attic.