Which Type Of Insulation Is Safe For Attics

In general an attic s r value should be between r 30 and r 49.

Which type of insulation is safe for attics.

The most common insulation materials are fiberglass cellulose and foam. Both can be added to uninsulated attics or layered over existing material. Your home s r value score will guide you toward the type of insulation you need. 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.

Choose from two types. Insulation blankets batts or rolls blown in or loose fill insulation and foam insulation. In particularly cold climates you might go up to r 60. Batt and blanket insulation.

Attic insulation comes in many forms. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. The most common form that insulation comes in is a batt or blanket. There are three types of blown in insulation.

Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls. Closed cell and open cell aka 2 pound and pound respectively. When installed properly both types of insulation fill all of the nooks and crannies in a space and. That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation.

The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. The third major type of insulation is spray foam. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. 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.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. You could spend days talking about what type of insulation you should use but we will address a few of the most common types in this section. It consists of flexible fibers most commonly fiberglass. 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.

Batts and blankets loose fill and spray foam. What type of insulation should i use in my attic. The type of insulation you need depends on which type is currently installed and the required r value. Spray foam offers the best attic insulation performance available.