If it is located in a conditioned part of the house also remember to insulate and air.
Howmutch insulatio should be in an attic.
For diy attic insulation you ve got two choices.
Insulation levels are specified by r value.
Also keep in mind that it is possible to use a hybridized approach by combining.
I will tell you that it is very difficult to have too much insulation in your attic but it is easy to have too little.
Estimates suggest that it ll cost around 1 340.
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 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.
The thicker the better.
Both can be added to uninsulated attics or layered over existing material.
If it is less than an equivalent of r 30 you could probably benefit by adding more.
Batt blanket or rolled insulation.
Loose fill or batt the common term for blanket insulation.
To find out if you have enough attic insulation measure the thickness of the insulation.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Insulation level are specified by r value.
The insulation in your attic should be at least 12 thick.
How much insulation do i need in my attic.
The amount of insulation that you use in your attic will vary mostly on the region you live in.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
First off you should know that insulating your attic isn t cheap.
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.
How much should i add.
Before insulating seal any air leaks and make roof and other necessary repairs.
The insulation fibers may be comprised of fiberglass cellulose mineral wool or even recycled blue jeans.
Inspecting your attic insulation.
The higher the r value the better the thermal performance of the insulation.
How much insulation should i use in my attic.
If your attic insulation is only a few inches thick or if you can see the ceiling joists you re wasting money on your heating and cooling bills.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
The higher the r value the better the thermal performance of the insulation.
How much does it cost to insulate an attic and how much will you save.
It is not uncommon to see 15 to 20 of insulation in a well insulated attic.