Attic Insulation R Value Map

If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs.

Attic insulation r value map.

Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter. Installing more insulation in your home increases the r value and the resistance to heat flow. The table below shows what levels of insulation are cost effective for different climates and. Insulation level are specified by r value.

R value is a measure of insulation s ability to resist heat traveling through it. The higher the r value the better the thermal performance of the insulation. The r value of some insulations also depends on temperature aging and moisture accumulation. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.

The higher r value the better insulation performance. R value insulation chart 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. The map and chart show each region of the u s the subsequent zones and corresponding r values. Recommended home insulation r values.

Find your zone on the map and then use the above insulation r value chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.