What Type Of Insulation For Attic
Installing this type of insulation is an inexpensive and diy friendly project since the materials are designed to fit into the standard width between wall studs attic rafters and floor joists.
What type of insulation for attic. Spray foam attic insulation. R values vary based on the type thickness and density of the insulation material. They usually come packaged in rolls and are easy to transport and carry. It consists of flexible fibers most commonly fiberglass.
You also can find batts and rolls made from mineral rock and slag wool plastic fibers and natural fibers such as cotton and sheep s wool. Choose from two types. What type of insulation is right for you. For diy attic insulation you ve got two choices.
Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. R value measures how resistant types of insulation are to heat flow. The third major type of insulation is spray foam. In particularly cold climates you might go up to r 60.
Closed cell and open cell aka 2 pound and pound respectively. Rolls and batts are produced of mineral wool and fiberglass. Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls. Spray foam offers the best attic insulation performance available.
Let s take a look at the different types their costs effectiveness and accessibility as a diy project. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. The most common type of insulation batts and blankets are great for diy projects. Modern technology of blanket insulation today is considered the best insulation for attic.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Among commonly used types of insulation there are mineral wool or fiberglass rolls and batts rigid fiberglass board loose fill materials cellulose mineral wool etc. 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 there are two types of spray foam open cell and closed cell. Both can be added to uninsulated attics or layered over existing material.
In general an attic s r value should be between r 30 and r 49. Loose fill or batt the common term for blanket insulation. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.