Blow In Attic Insulation Types

I d blow insulation on the attic floor after air sealing of course.

Blow in attic insulation types.

Loose fill fiberglass seems to dominate attic insulation in new construction homes and has an r value of approximately 2 5 per inch. Like cellulose you need a big machine to blow it in. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. Both types of insulation provide an.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. Blown in spray foam batts and blankets. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

For diy attic insulation you ve got two choices. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons. To evaluate sprayed or blown in types of insulation measure the depth of the insulation and check for gaps in coverage. The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons.

If you choose to install the insulation yourself follow the manufacturer s instructions and safety precautions carefully and check local building and fire codes. Both can be added to uninsulated attics or layered over existing material. If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you generally don t have to be concerned about asbestos. The type of insulation you need depends on which type is currently installed and the required r value.

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. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. Loose fill insulation comes in a variety of materials. Loose fill or batt the common term for blanket insulation.

You can t simply buy it in bags and spread it around yourself. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. There are three types of blown in insulation. Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass.

Pros and cons of loose fill fiberglass attic insulation. Which gives the insulation a spongy texture.