How Do I Insulate My Attic

The technically correct approach depends on a number of factors.

How do i insulate my attic.

The pros charge 1 500 to 2 000 to do a 1 200 sq ft. Insulate and air seal any knee walls vertical walls with attic space directly behind them in your home as well. How to insulate a finished attic. Insulating the pitched roof.

First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. 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. Your home s r value score will guide you toward the type of insulation you need. In particularly cold climates you might go up to r 60.

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. To make insulating an attic easier grab a helper and set aside two days. 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. If it is located in a conditioned part of the house also remember to insulate and air seal your attic access. One for attic prep and the second to actually blow the insulation. A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling.

If your insulation is just level with or below your floor. Whether or not there is an inner roof lining and the total thickness of the roof structure. How much does attic insulation cost. Start by installing temporary lighting such as clip lights and laying a few sturdy boards along the joists to create a walkway.

Do i have enough. 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. 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 general an attic s r value should be between r 30 and r 49.

Blowing attic insulation isn t hard but it s dusty sweaty work. 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.