Why Higher R Value In An Attic
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Insulation level are specified by r value.
Why higher r value in an attic. Almost all insulation products have to tell you their r value pipe and duct insulation are the only exceptions. The higher the r value the better the thermal performance of the insulation. An insulating material s resistance to conductive heat flow is measured or rated in terms of its thermal resistance or r value the higher the r value the greater the insulating effectiveness. The higher the r value the better the thermal performance of the insulation.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. R value is a measure of insulation s ability to resist heat traveling through it. Your home s age if your home is more than 10 year old you likely need more insulation. Where you live different climates require different insulation r values.
The r value depends on the type of insulation its thickness and its density. Recommended home insulation r values. You can achieve better thermal performance in your attic by adding an additional layer of insulation. There are many ways to retrofit a home with fiberglass and.
You will need a higher r value of insulation if you live in the northeast than if you live in southern california. Duct wrap is covered so if you re looking at insulation with an r value of 38 from company a and insulation with an r value of 38 from company b you ll know the. The higher the r value the better the thermal performance of the insulation.
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