4 Types of Attic Insulation and Their Pros and Cons
Attic insulation is an easy, low-cost way to lower your energy bills and keep your home comfortable year-round. However, not all types of attic insulation are the same and some can have negative impacts on your home. Read on to learn more about 4 different types of attic insulation and their pros and cons so you can make the best choice for your property and budget.
Fiberglass Batt Insulation
Spray Foam Architects of Florida most common type of attic insulation is fiberglass, also known as blanket or batt insulation. This is what most people envision when they think of attic insulation—it looks a little like cotton candy and clouds and is made from tiny slivers of glass that were once sand and recycled material.
Besides being relatively affordable, it’s quick to install and provides a good R-value per inch. However, it is susceptible to moisture and can lose its R-value over time. Additionally, it’s a favorite snack of raccoons and may even contain asbestos.
Spray Foam Insulation
Spray foam attic insulation (also referred to as open or closed cell) is a more expensive form of attic insulation, but it’s more efficient than other types of attic insulation and offers more nooks and crannies coverage. However, it can be difficult to install without proper training and requires special equipment. It is also flammable and emits off-gasses during and after installation, making it unsafe for certain attics.
Blown-in insulation, sometimes called loose fill insulation, is comprised of small particles of fiberglass, cellulose or mineral wool that are installed using a blowing machine in your attic to create an even layer throughout the space. This form of attic insulation is more environmentally friendly than fiberglass batts, but it can settle over time, reducing its R-value and increasing the likelihood of mold and mildew.
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