Attic Insulation Types R Value

A higher insulation r value usually means a higher price point as well.

Attic insulation types r value. Spray foam offers the best attic insulation performance available. In general an attic s r value should be between r 30 and r 49. Your home s r value score will guide you toward the type of insulation you need. R values of common types of insulation.

The recommended r value for attic insulation in ontario is between r 50 and r 60. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. The r value of the insulation for every inch of thickness depends on the type of insulation. R value measures how resistant types of insulation are to heat flow.

R value is a measure of insulation s ability to resist heat traveling through it. 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 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.

Insulation is rated by its r value. Choose from two types. For every type and material of insulation check the r value per inch of thickness that the manufacturer has listed. Closed cell and open cell aka 2 pound and pound respectively.

Recycled glass or sand that s melted and spun into fibers. 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. Some installations can yield a higher r value than traditional batt insulation for the same thickness and can fill even the smallest cavities creating an effective air barrier. The two distinct types of attic insulation are loose fill material also commonly known as blown in insulation and batting.

Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. In particularly cold climates you might go up to r 60. R values vary based on the type thickness and density of the insulation material. In general how the insulation s method of installation can give you an idea of how it compares to other types of insulation.

The table below shows what levels of insulation are cost effective for different climates and locations in the home. You can use the small pressurized cans of foam. Insulation level are specified by r value. Spray foam attic insulation.