There are other materials and systems that you can use to insulate your attic.
Most efficient insulation for attic.
The attic is the easiest place to insulate and the most important in terms of saving money and energy.
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.
I d blow insulation on the attic floor after air sealing of course.
The big disadvantage with spray foam is cost.
Insulation level are specified by r value.
But your state s energy office or local utility may offer product rebates discounts or other financial incentives for.
Attics generally require an r value of r 35 to r 45.
Would that insulation also be the most energy efficient.
This will be the most heavily insulated part of.
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.
The higher the r value the better the thermal performance of the insulation.
R value is a measure of insulation s ability to resist heat traveling through it.
By crawl space above your house i assume you mean the attic area.
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.
A federal energy tax credit can help homeowners recoup their insulation investment if they complete the improvements by the end of 2007.
So it s time to pay close attention to what s happening up there.
So your installer can apply insulation to the ceiling in addition to the rest of your attic for added protection.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
Spray foam products are most easily installed in newly constructed homes.
On average roll insulation costs less than other types of insulation source.
Blown in cellulose is an excellent option for an attic because it will fill all the.
Sealing large air leaks is next followed by insulating the basement.
Submitted by ian macleod on thu 02 05 2009 04 00.
For this application i would recommend either.
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.
Sometimes however insulation isn t enough.