Which Type Of Insulation Is Safe For Attics

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.

Which type of insulation is safe for attics.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Choose from two types. Closed cell and open cell aka 2 pound and pound respectively. The most common form that insulation comes in is a batt or blanket.

It consists of flexible fibers most commonly fiberglass. For diy attic insulation you ve got two choices. That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. What type of insulation should i use in my attic. Batt and blanket insulation. The type of insulation you need depends on which type is currently installed and the required r value.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. 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. When installed properly both types of insulation fill all of the nooks and crannies in a space and. 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.

Batts and blankets loose fill and spray foam. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. Spray foam offers the best attic insulation performance available. 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. Both can be added to uninsulated attics or layered over existing material. There are three types of blown in insulation. Attic insulation comes in many forms.

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. The third major type of insulation is spray foam. 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.