A well-insulated attic is key to a home’s energy efficiency and comfort. The Department of Energy recommends an R-value of at least R-30. It’s not uncommon for homeowners to need more, however, especially if they add a room to their attic or change the layout of their living space. Fortunately, adding new insulation is an easy and cost-effective ENERGY STAR® Home Upgrade project.

The type of commercial insulation you choose depends on the climate in which you live. For example, colder climates require higher R-values than warmer areas.

You also need to consider whether you want to use your attic for storage, finish it out for a playroom or convert it to an additional bedroom. This will influence how much insulation you need, and how to install it.

There are a few different types of attic insulation, including blankets, cellulose, and blow-in fiberglass. Blanket insulation is made from fiberglass, mineral wool, or other natural materials and comes in rolls that can be cut to size. It’s a popular DIY option because it is affordable and simple to install. However, it can settle over time and lose its R-value.

Stay Cool in Charleston: Upgrade Your Attic Insulation with Spray Foam Genie

Blown-in insulation is made from small particles of fiberglass, cellulose, or mineral wool that are blown into your attic using a special equipment. It’s an effective attic insulation because it covers a greater area than blanket insulation and can be installed over existing batts or loose fill. However, it’s prone to moisture absorption, which can cause mold and mildew.
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