Do I Need More Attic Insulation

Blown in insulation overview.

Do i need more attic insulation.

In general an attic s r value should be between r 30 and r 49. How much does attic insulation cost. More insulation installation tricks and tips. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.

Do i have enough. How do i know if i have enough insulation in my attic. But it settles more than those materials so you ve got to put in a thicker layer to get the protection you need. Blowing attic insulation isn t hard but it s dusty sweaty work.

However there are a few easy things you can do to see if your attic is properly insulated. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. Your home s r value score will guide you toward the type of insulation you need. A quick way to see if you need more insulation is to look across your attic floor.

Common signs of problems with 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. Loose fill or batt the common term for blanket insulation. If your insulation is just level with or below your floor.

If your insulation level is at or below the top of the floor joists you probably need to add more insulation but remember to seal the air leaks before you insulate. If you notice one or more of these occurring you probably need to take action. R value is a measure of insulation s ability to resist heat traveling through it. Insulation level are specified by r value.

The higher the r value the better the thermal performance of the insulation. Poor insulation is usually the culprit although if you enter the attic on sunny winter day your attic space can be warmed by the sun more than your furnace. Dallas texas falls in climate zone three where attics are recommended to have an r value between 38 49 this means a minimum of 12 of insulation. Inspecting your attic insulation.

In particularly cold climates you might go up to r 60. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. 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. For diy attic insulation you ve got two choices.

The table below shows what levels of insulation are cost effective for different climates and locations in the home. There are four especially common signs of problems with attic insulation.