How Much Blown Insulation Do I Need In My Attic

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