How Do I Insulate My Attic

The pros charge 1 500 to 2 000 to do a 1 200 sq ft.

How do i insulate my attic.

You can do it yourself for about 500. The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home. Whether or not there is an inner roof lining and the total thickness of the roof structure. Do i have enough.

The technically correct approach depends on a number of factors. Insulate and air seal any knee walls vertical walls with attic space directly behind them in your home as well. If you ve reached your target depth but still have a few bags left over keep adding the material at an even depth throughout the space until all the bags your calculations called for are empty. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.

Attic insulation is installed in the floor of the attic so you ll need to do a few things to make the process straightforward. If it is located in a conditioned part of the house also remember to insulate and air seal your attic access. How to insulate a finished attic. To get the target r value from the product you chose use the number of bags your calculations showed that you needed to insulate your attic never fewer.

Before insulating seal any air leaks and make roof and other necessary repairs. To make insulating an attic easier grab a helper and set aside two days. Inspecting your attic insulation. Blowing attic insulation isn t hard but it s dusty sweaty work.

How much does attic insulation cost. 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. In particularly cold climates you might go up to r 60. Your home s r value score will guide you toward the type of insulation you need.

In general an attic s r value should be between r 30 and r 49. With a finished attic insulation must help keep the attic areas comfortable. If your attic is often used or perhaps you plan to convert it in the future you will need to insulate the inner surfaces of the roof. One for attic prep and the second to actually blow the 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. That means insulating the attic floor only not the walls and having vents in the roof. If your insulation is just level with or below your floor.