The r values of both insulations will accumulate.
How much blown insulation do i need in my attic.
Looking to install blown in insulation but don t know how much you need.
Blown in fiberglass is considered flame resistant.
Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical.
Materials can be layered for added protection.
According to home advisor insulating your attic can cost between 1700 to 2100.
Insulation level are specified by r value.
You can achieve better thermal performance in your attic by adding an additional layer of insulation.
Insulation efficiently fills gaps.
Type and material of your insulation.
R value is a measure of insulation s ability to resist heat traveling through it.
The main factors that impact the cost are.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
Blown in insulation flows down around wall studs.
Click the button to calculate the depth in inches and pounds of total insulation required for this job.
The higher the r value the better the thermal performance of the insulation.
Square footage of your attic.
We include blown in attic insulation pros and cons but we can t recommend blown in fiberglass or cellulose as your best insulating choice.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Then check out our handy insulation calculator.
Whether you need a wall insulation calculator or an attic insulation calculator lowe s blown in insulation calculator has you covered.
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.
Input length width and desired r value of the area to be insulated.
If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.
Blown in insulation overview.
This calculator is to be used as an estimating tool only.
Handy homeowners can install blown in insulation in the attic.
You can do it yourself for about 500.
The average cost of blown in insulation to achieve an r value of r 38 r 49 is 1 665 with most homeowners spending between 874 and 2 156 or 1 59 per square foot.
Inspecting your attic insulation.
Contractor or insulation installer s fee.
How much does attic insulation cost.