Ceiling Insulation R Value Recommendation

R value is the measurement of insulation s ability to resist heat flow.

Ceiling insulation r value recommendation.

There are many ways to retrofit a home with fiberglass and. Typically a higher insulation r rating means better climate control and better energy efficiency for your home. Where you live different climates require different insulation r values. Insulation level are specified by r value.

For every type and material of insulation check the r value per inch of thickness that the manufacturer has listed. R value ranges from 1 5 to 7 and the higher the insulation s r value the better that product is at insulating your home. The higher the r value the greater the insulation performance. Your home s age if your home is more than 10 year old you likely need more insulation.

Depending on where you live and the part of your home you re insulating walls crawlspace attic etc you ll need a different r value. Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces. When determining how much insulation you need don t guesstimate calculate. Recommended home insulation r values.

Measures insulation s resistance to heat flow out of the. Know exactly how much you need with our project calculators. A higher insulation r value usually means a higher price point as well. You will need a higher r value of insulation if you live in the northeast than if you live in southern california.

The table below shows what levels of insulation are cost effective for different climates and. The higher the r value the better the thermal performance of the insulation.