How Much Blown Insulation Do I Need In My Attic

Input length width and desired r value of the area to be insulated.

How much blown insulation do i need in my attic.

First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Inspecting your attic insulation. The main factors that impact the cost are. 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. Click the button to calculate the depth in inches and pounds of total insulation required for this job. Contractor or insulation installer s fee. You can achieve better thermal performance in your attic by adding an additional layer of insulation.

We include blown in attic insulation pros and cons but we can t recommend blown in fiberglass or cellulose as your best insulating choice. Handy homeowners can install blown in insulation in the attic. Type and material of your insulation. According to home advisor insulating your attic can cost between 1700 to 2100.

Insulation level are specified by r value. Square footage of your attic. Blown in insulation overview. 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. Looking to install blown in insulation but don t know how much you need. The r values of both insulations will accumulate. This calculator is to be used as an estimating tool only.

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. How much does attic insulation cost. Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical.

Then check out our handy insulation calculator. 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. Insulation efficiently fills gaps. The higher the r value the better the thermal performance of the insulation.

For example if your attic already has fiberglass insulation blankets installed you can improve its r value by installing blown in cellulose insulation on top of the blankets. Materials can be layered for added protection. 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.