Type and material of your insulation.
How much attic insulation is enough.
One for attic prep and the second to actually blow the insulation.
Contractor or insulation installer s fee.
The higher the r value the better the thermal performance of the insulation.
Square footage of your attic.
Insulation levels are specified by r value.
So when you ask how much attic insulation is enough be sure to consult the chart below to understand where your state sits with respect to the recommendations for r value.
How well a particular insulation works is expressed by the r value which ranges from 2 0 to 8 0 per inch of insulation.
R value is a measure of insulation s ability to resist heat flow.
To make insulating an attic easier grab a helper and set aside two days.
Even yoda won t live long enough to get a return on investment for that much insulation so it s pretty much pointless.
How much does attic insulation cost.
The higher the r value the better the.
R value is a measure of insulation s ability to resist heat traveling through it.
According to home advisor insulating your attic can cost between 1700 to 2100.
If your attic insulation covers your joists and is distributed evenly you probably have enough.
If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs.
The main factors that impact the cost are.
Blowing attic insulation isn t hard but it s dusty sweaty work.
Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter.
Adding one inch of insulation to a wall that has 5 inches of insulation makes sense in most climates.
You can do it yourself for about 500.
Loose fill insulation is usually less expensive to install than batt insulation and provides better coverage when installed properly.
How much should i add.
For example if you install r 19 fiberglass batts in 2x6 frame walls with the studs 16 inches on center double top plates and other elements of standard framing the actual r value of the whole wall with the r 19 insulation will be about r 15.
To find out if you have enough attic insulation measure the thickness of the insulation.
Having enough insulation in your attic is one of the best ways to save energy on both heating and cooling your home.
See more on different types of insulation.
The pros charge 1 500 to 2 000 to do a 1 200 sq ft.
The higher the r value the better job the insulation does at preventing the transfer of heat.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
To see how to add insulation out to the eaves see installing rafter vents.
Adding one inch of insulation to a wall that has 30 inches of insulation makes sense nowhere.
These recommendations are for true r values not the nominal values listed on insulation packaging.
