The higher the r value the better the thermal performance of the insulation.
Types of insulation and their r values.
Recommended home insulation r values.
Batt and roll insulation.
Blown in or loose fill insulation.
Fiberglass batts for standard 2 4 walls are now available in low medium and high density products that range from r 11 to r 15.
Foam board or rigid foam.
R value is a measurement of thermal resistance and measures the ability of heat to transfer from one side of an object to another.
For instance if you have a material with an r value of 12 attached to another material with an r value of 3 then both materials combined have an r value of 15.
The maximum thermal performance or r value of insulation is very dependent on proper installation.
Homeowners can install.
The common denominator among varieties of insulation is the r value.
Here are the installation methods from lowest to highest average r value per inch.
Insulation blankets batts and rolls spray foam insulation.
The table below shows what levels of insulation are cost effective for different climates and.
R value is a measure of insulation s ability to resist heat traveling through it.
Common insulating materials and forms.
Cellulose as loose or pellet fibers fiberglass or rock wool are generally the types of material used in loose fill insulation.
In simple terms r values measure the effectiveness of insulation and a higher number represents more effective insulation.
Insulation level are specified by r value.