Attic Insulation Types R Value

In general how the insulation s method of installation can give you an idea of how it compares to other types of insulation.

Attic insulation types r value.

Closed cell and open cell aka 2 pound and pound respectively. Choose from two types. The two distinct types of attic insulation are loose fill material also commonly known as blown in insulation and batting. The r value per inch for different types of insulation varies depending on the.

Spray foam offers the best attic insulation performance available. Achieving greater r values in exterior walls. The higher the r value the better the thermal performance of the insulation. R value ratings vary among different types and forms of home insulations and among products of the same type and form.

Insulation level are specified by r value. In general an attic s r value should be between r 30 and r 49. The table below shows what levels of insulation are cost effective for different climates and locations in the home. The r value of the insulation for every inch of thickness depends on the type of insulation.

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. Recycled glass or sand that s melted and spun into fibers. 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.

Lighter in weight than cellulose or mineral wool but it settles more than those materials so you ve got to put in a thicker layer to get the protection you need. For every type and material of insulation check the r value per inch of thickness that the manufacturer has listed. 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. Your home s r value score will guide you toward the type of insulation you need.

In particularly cold climates you might go up to r 60. Spray foam attic insulation. A higher insulation r value usually means a higher price point as well. 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 recommended r value for attic insulation in ontario is between r 50 and r 60. R values of common types of insulation.