Which Type Of Insulation Is Safe For Attics

Batt and blanket insulation.

Which type of insulation is safe for attics.

Choose from two types. Spray foam offers the best attic insulation performance available. 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.

It consists of flexible fibers most commonly fiberglass. Attic insulation comes in many forms. Both can be added to uninsulated attics or layered over existing material. 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.

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. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. There are three types of blown in insulation.

Your home s r value score will guide you toward the type of insulation you need. 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. 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. 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 third major type of insulation is spray foam. In general an attic s r value should be between r 30 and r 49.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Loose fill or batt the common term for blanket insulation. Insulation blankets batts or rolls blown in or loose fill insulation and foam insulation. Closed cell and open cell aka 2 pound and pound respectively.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Batts and blankets loose fill and spray foam. The most common insulation materials are fiberglass cellulose and foam. For diy attic insulation you ve got two choices.