Attic Insulation Types R Value

The r value per inch for different types of insulation varies depending on the.

Attic insulation types r value.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. In general an attic s r value should be between r 30 and r 49. In particularly cold climates you might go up to r 60. 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. Achieving greater r values in exterior walls. The table below shows what levels of insulation are cost effective for different climates and locations in the home. The two distinct types of attic insulation are loose fill material also commonly known as blown in insulation and batting.

Closed cell and open cell aka 2 pound and pound respectively. The higher the r value the better the thermal performance of the insulation. The r value of the insulation for every inch of thickness depends on the type of insulation. A higher insulation r value usually means a higher price point as well.

The higher the r value the better the thermal performance of the insulation. Choose from two types. 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. 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.

R value ratings vary among different types and forms of home insulations and among products of the same type and form. 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. In general how the insulation s method of installation can give you an idea of how it compares to other types of insulation.

Spray foam attic insulation. Your home s r value score will guide you toward the type of insulation you need. For every type and material of insulation check the r value per inch of thickness that the manufacturer has listed. Spray foam offers the best attic insulation performance available.

Insulation level are specified by r value. 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.