Attic Insulation Types R Value

Closed cell and open cell aka 2 pound and pound respectively.

Attic insulation types r value.

The higher the r value the better the thermal performance of the insulation. In general how the insulation s method of installation can give you an idea of how it compares to other types of insulation. R value is a measure of insulation s ability to resist heat traveling through it. Choose from two types.

The recommended r value for attic insulation in ontario is between r 50 and r 60. Spray foam attic insulation. 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. R value ratings vary among different types and forms of home insulations and among products of the same type and form.

Recycled glass or sand that s melted and spun into fibers. The r value per inch for different types of insulation varies depending on the. The r value of the insulation for every inch of thickness depends on the type of insulation. In particularly cold climates you might go up to r 60.

The two distinct types of attic insulation are loose fill material also commonly known as blown in insulation and batting. Insulation level are specified by r value. The table below shows what levels of insulation are cost effective for different climates and locations in the home. Your home s r value score will guide you toward the type of insulation you need.

R values of common types of insulation. For loose fill insulation each manufacturer must determine the r value of its product at settled density and create coverage charts showing the minimum settled thickness minimum weight per square foot and coverage area per. In general an attic s r value should be between r 30 and r 49. Achieving greater r values in exterior walls.

Spray foam offers the best attic insulation performance available. While there are additional considerations such as venting and moisture problems to take into account when you insulate under floors the united states department of energy recommends an r 25 rating in cold climates and an r 11 in warmer parts of the country. The higher the r value the better the thermal performance of the insulation. A higher insulation r value usually means a higher price point as well.

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. You can achieve better thermal performance in your attic by adding an additional layer of insulation.