Which Type Of Insulation Is Safe For Attics

For diy attic insulation you ve got two choices.

Which type of insulation is safe for attics.

Loose fill or batt the common term for blanket insulation. 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. The most common form that insulation comes in is a batt or blanket. The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons.

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

Spray foam offers the best attic insulation performance available. Batt and blanket insulation. Closed cell and open cell aka 2 pound and pound respectively. Insulation types include loose fill batts rolls foam board spray board and vapor barriers.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Your home s r value score will guide you toward the type of insulation you need. The type of insulation you need depends on which type is currently installed and the required r value. The third major type of insulation is spray foam.

What type of insulation should i use in my attic. 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. In particularly cold climates you might go up to r 60. 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.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. In general an attic s r value should be between r 30 and r 49. 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. Batts and blankets loose fill and spray foam.

The most common insulation materials are fiberglass cellulose and foam. Both can be added to uninsulated attics or layered over existing material. Attic insulation comes in many forms. Insulation blankets batts or rolls blown in or loose fill insulation and foam insulation.