The installation process for dry cellulose insulation looks like this.
Attic insulation basics.
Actual costs will depend on job size conditions and options.
You should do this in the planning and design phases of your home.
It can be used by itself to fill in joist cavities that have no insulation or laid as a thick layer over the top of existing batts of fiberglass insulation.
To estimate costs for your project.
R value is a measure of insulation s ability to resist heat flow.
We all know that insulation makes our homes more energy efficient.
It s a fast and easy diy project that two people can do in an afternoon.
The higher the r value the better the thermal performance of the insulation.
Blanket insulation is available as batts or rolls and is the easiest diy insulation material.
Create your own price list in homewyse lists for a basic project in zip code 47474 with 500 square feet the cost to insulate an attic starts at 1 68 3 25 per square foot.
Now that you know the basics about how insulation works and why it s critical in your home start talking with your builder about the insulation strategy they re choosing for your home and why.
Conduction is the way heat moves through materials such as when a spoon placed in a hot cup of coffee conducts heat through its handle to your hand.
But even if you re lucky enough to have insulation in your home you heating and cooling bills might be out of control.
It simply is blown in to the depth required to meet the r value specified by local code.
How insulation works to understand how insulation works it helps to understand heat flow which involves three basic mechanisms conduction convection and radiation.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
Insulation levels are specified by r value.
It s available in fiberglass mineral wool plastic fibers and natural fibers.
Batt insulation is a type of insulation made of loosely matted fibers fashioned into a blanket like form.
Blowing insulation into an attic the most popular project for using blown in insulation is adding insulation to attics.
For attics cellulose insulation is blown in parallel to the joists.
Check your attic insulation.
Attic most building codes also require insulation in the attic.
Sounds excessive but it isn t.
In frigid areas experts recommend 12 of fiberglass insulation between the living space and attic giving you an r value of 38.
Here the insulation can be blown right over top of existing insulation to any depth or r value.
If the cost to heat and cool your home is getting you down don t worry.
