According to the u s.
How much to add insulation to attic.
Get fair costs for your specific project requirements.
Department of energy fibgerglass batts have an r value of 3 2 per inch while loose fill fiberglass.
See typical tasks and time to insulate an attic along with per unit costs and material requirements.
Blown in insulation is the least expensive option and ideal for older attics.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
To determine whether you should add insulation you first need to find out how much insulation you already have in your home and where it is.
You can do it yourself for about 500.
Typically houses in warm weather states should have an r 38 insulation in the attic whereas houses in cold climates should have r 49.
For an effective insulation project you want to go for a thermal resistance of between r 38 and r 49 which may cost you about 1 59 per square foot which translates to about 1590 if your attic has an area of 1000 square feet.
Blown in insulation overview.
The higher the r value the better the thermal performance of the insulation.
Multiply the number of inches of insulation by the r value per inch.
If your attic insulation covers your joists and is distributed evenly you probably have enough.
Many older homes have less insulation than homes built today but even adding insulation to a newer home can pay for itself within a few years.
Estimates suggest that it ll cost around 1 340.
How much does attic insulation cost.
How much should i add.
These costs do not include air sealing ventilation and vapor barriers which will cost an additional 350 1500.
Add the right kind of insulation.
The answer depends on where you live.
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 cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options.
The pros charge 1 500 to 2 000 to do a 1 200 sq ft.
Insulation levels are specified by r value.
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.
Energy information administration predicts that this.
These insulation levels will keep heated air from migrating out in winter.
See professionally prepared estimates for attic insulation work.
Before you call a contractor however it s important to understand the options and costs involved.
If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.
But many homeowners i talk with don t know how much is enough.
It can cost anywhere from 1 700 to 2 100 or between 1 50 and 3 50 per foot to insulate an attic depending on what insulation material you choose.
