My Attic Needs Insulation

The higher the r value the better the thermal performance of the insulation.

My attic needs insulation.

How much does attic insulation cost. Your home s r value score will guide you toward the type of insulation you need. There are many types to choose from including blown in cellulose batt such as fiberglass mineral wool or cotton. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.

Achieving greater r values in attics the higher the r value the better the thermal performance of the 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. Insulation level are specified by r value.

Contractor or insulation installer s fee. Square footage of your attic. Icicles may look pretty but they could also be a sign that something is seriously wrong with your roof. Type and material of your 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. 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. If you notice one or more of these occurring you probably need to take action. This is more expensive and usually requires a contractor but it may be worth the cost especially if you live in a very cold climate.

In general an attic s r value should be between r 30 and r 49. Inspecting your attic insulation. Common signs of problems with insulation. 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. In particularly cold climates you might go up to r 60. According to home advisor insulating your attic can cost between 1700 to 2100. The pros charge 1 500 to 2 000 to do a 1 200 sq ft.

After confirming that your attic is air sealed you need to select insulation. If your insulation is just level with or below your floor joists i e you can easily see your joists you should add more. Blown in insulation overview. If your attic has enough insulation and proper air sealing and your home still feels drafty and cold in the winter or too warm in the summer chances are you need to add insulation to the exterior walls.