Sealing large air leaks is next followed by insulating the basement.
Most efficient insulation for attic.
There are other materials and systems that you can use to insulate your attic.
So your installer can apply insulation to the ceiling in addition to the rest of your attic for added protection.
By crawl space above your house i assume you mean the attic area.
I d blow insulation on the attic floor after air sealing of course.
Insulation is one of the most effective ways to improve the energy efficiency of your attic.
The higher the r value the better the thermal performance of the insulation.
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.
Spray foam insulation sticks to whatever surface you spray it to.
The big disadvantage with spray foam is cost.
So it s time to pay close attention to what s happening up there.
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.
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.
For this application i would recommend either.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
On average roll insulation costs less than other types of insulation source.
Insulation level are specified by r value.
Spray foam products are most easily installed in newly constructed homes.
Attics generally require an r value of r 35 to r 45.
Sometimes however insulation isn t enough.
Most federal tax credits for weatherizing your house and boosting its energy efficiency expired in 2011.
The attic is the easiest place to insulate and the most important in terms of saving money and energy.
But your state s energy office or local utility may offer product rebates discounts or other financial incentives for.
Loose fill or batt the common term for blanket insulation.
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.
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.
Submitted by ian macleod on thu 02 05 2009 04 00.