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.
Attic insulation r value map.
The map and chart show each region of the u s the subsequent zones and corresponding 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.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.
R value is a measure of insulation s ability to resist heat traveling through it.
The r value of some insulations also depends on temperature aging and moisture accumulation.
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.
The r value or r value is a measure of thermal resistance ability to resit heat traveling through it used in the building and construction industry.
The higher r value the better insulation performance.
Recommended home insulation r values.
The higher the r value the better the thermal performance of the insulation.
The table below shows what levels of insulation are cost effective for different climates and.
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.
The amount and r value of your attic floor insulation depends on your geographical location zone.