Your home s r value score will guide you toward the type of insulation you need.
My attic needs insulation.
How much does attic insulation cost.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Icicles may look pretty but they could also be a sign that something is seriously wrong with your roof.
According to home advisor insulating your attic can cost between 1700 to 2100.
In particularly cold climates you might go up to r 60.
Common signs of problems with insulation.
No matter what kind of insulation you currently have in your attic one quick way to determine if you need more is to look across the span of your attic.
After confirming that your attic is air sealed you need to select insulation.
In general an attic s r value should be between r 30 and r 49.
If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.
The pros charge 1 500 to 2 000 to do a 1 200 sq ft.
The higher the r value the better the thermal performance of the insulation.
If you notice one or more of these occurring you probably need to take action.
The main factors that impact the cost are.
Inspecting your attic insulation.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
You can do it yourself for about 500.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Type and material of your insulation.
Square footage of your attic.
There are four especially common signs of problems with attic insulation.
Contractor or insulation installer s fee.
Insulation level are specified by r value.
R value is a measure of insulation s ability to resist heat traveling through it.
If your insulation is just level with or below your floor joists i e you can easily see your joists you should add more.
Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live.
There are many types to choose from including blown in cellulose batt such as fiberglass mineral wool or cotton.