Attic Insulation Types R Value

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.

Attic insulation types r value.

R values of common types 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. Insulation level are specified by r value. For every type and material of insulation check the r value per inch of thickness that the manufacturer has listed.

Achieving greater r values in exterior walls. 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. R value ratings vary among different types and forms of home insulations and among products of the same type and form.

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. 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 r value of the insulation for every inch of thickness depends on the type of insulation. You can achieve better thermal performance in your attic by adding an additional layer of insulation.

Choose from two types. 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. The higher the r value the better the thermal performance of the insulation. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.

Closed cell and open cell aka 2 pound and pound respectively. R value is a measure of insulation s ability to resist heat traveling through it. In particularly cold climates you might go up to r 60. The higher the r value the better the thermal performance of the insulation.

Your home s r value score will guide you toward the type of insulation you need. Recycled glass or sand that s melted and spun into fibers. Spray foam offers the best attic insulation performance available. The recommended r value for attic insulation in ontario is between r 50 and r 60.

The r value per inch for different types of insulation varies depending on the. The two distinct types of attic insulation are loose fill material also commonly known as blown in insulation and batting.