Types of Attic Insulation

Foam Expert Group keeps heat inside during the winter and outside in the summer, reducing your heating and cooling bills. It also reduces energy waste and contributes to climate change mitigation efforts.

The type of insulation you choose depends on your specific needs, home design and DIY preferences. You can choose from blanket, blown-in, spray foam and panel insulation. Each has unique benefits and caters to different attic conditions and applications.

Top Benefits of Spray Foam Attic Insulation

Fiberglass batt insulation is a popular choice, being made of tiny glass fibers that are treated with fire retardants. It is available in rolls and widths suited to standard spacing of wall studs and attic joists. It is relatively inexpensive and has a high R-value per inch, making it a good choice for most homes. However, it does not like moisture and can degrade over time if exposed to water. This may require you to replace it sooner than other types of insulation.

Blown-in cellulose attic insulation is similar to fiberglass, but it’s made from recycled paper and plant-based materials. It is also treated with boric acid and other chemicals to make it flame resistant. It is also a more environmentally friendly option because it does not have to be produced from new materials. This type of insulation is most effective in cold climates and has a higher R-value than fiberglass batts.

Reflective or radiant barrier insulation is a foil-backed material that reflects thermal radiation. It can be a cost-effective alternative to other attic insulation, especially in warmer climates. However, it requires an air gap to function correctly. It can also be susceptible to dust accumulation and is not as effective in insulating an attic against the sun’s heat.

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