Attic Insulation R Value Map

Colder climates will typically require a higher r value for even greater thermal.

Attic insulation r value map.

The higher the insulation r value the greater the insulating power. The greater the r value the greater the insulating performance. R value requirements are different based on your location. Recommended home insulation r values.

The table below shows what levels of insulation are cost effective for different climates and. When calculating the r value of a multilayered installation add the r values of the individual layers. Your home s r value score will guide you toward the type of insulation you need. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.

In particularly cold climates you might go up to r 60. You ll see insulation r values indicated on product packaging and often on the product itself. How do you figure out r value. The higher the r value the better the thermal performance of the insulation.

In general an attic s r value should be between r 30 and r 49. The r value of some insulations also depends on temperature aging and moisture accumulation. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. R value refers to the insulation s ability to resist heat flow.

Insulation is identified and labeled by r value. The higher r value the better insulation performance. Insulation level are specified by r value. The amount and r value of your attic floor insulation depends on your geographical location zone.

Install insulation with the proper r value. R stands for resistance to heat flow.