For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3.
Are attics required to have insulation.
Note from this chart that the ideal r value differs for each part of your home.
For diy attic insulation you ve got two choices.
Attics more than any other area of the.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Inspecting your attic insulation.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
Insulation levels are specified by r value.
We love our diyers so take up our incentive to improve your attic insulation situation yourself.
Get a free 24 hour blown in machine.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
Add the right kind of insulation.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
The higher the r value the better the thermal performance of the insulation.
So it s time to pay close attention to what s happening up there.
R value is a measure of insulation s ability to resist heat flow.
R value is a measure of insulation s ability to resist heat traveling through it.
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.
You get a free blown in machine.
It makes adding insulation to your attic a breeze.
Batt insulation packages contain more square feet than rolls.
Your home may not have enough insulation even when you follow your building jurisdiction s requirements for insulation.
Insulation level are specified by r value.
Loose fill or batt the common term for blanket insulation.
The higher the r value the better the thermal performance of the insulation.