Best Type Of Blown In Attic Insulation

Blown in spray foam batts and blankets.

Best type of blown in attic insulation.

Your home s r value score will guide you toward the type of insulation you need. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.

That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. Loose fill or batt the common term for blanket insulation. In particularly cold climates you might go up to r 60.

It is effective in filling in areas that are difficult to reach. Blown in insulation also fills the tiny crevices where heat or air conditioning can escape from your home. Spray foam offers the best attic insulation performance available. In general an attic s r value should be between r 30 and r 49.

Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical. The answer to the question of which attic insulation is best is of course entirely circumstantial. Both can be added to uninsulated attics or layered over existing material. R values vary based on the type thickness and density of the insulation material.

Insulation is rated by its r value. Spray foam attic insulation. Closed cell and open cell aka 2 pound and pound respectively. R value measures how resistant types of insulation are to heat flow.

For diy attic insulation you ve got two choices. When the design of your attic allows the best attic insulation is inexpensive easy to install and will yield the performance you re looking for. Just as there are two types of blown insulation fiberglass and cellulose and two types of people those who divide everything into two groups and those who don t. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.

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. Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. The third major type of insulation is spray foam.