Types of Attic Insulation
The attic is a great place to add insulation and improve the home’s energy efficiency, especially if it has a poor R-value. Proper attic insulation can prevent heat loss during the summer and reduce the formation of ice dams during the winter, helping the home to stay comfortable year-round.
There are several types of insulation available for the attic. Some can be installed as a DIY project, while others are best left to a professional contractor. The type of insulation you choose depends on a number of factors, including where your home is located and its age. It’s also important to consider what R-value you need and the type of weatherization incentives that may be available in your area.
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Fiberglass batt insulation is the most common form of attic insulation. It is available in a variety of thicknesses and R-values, but it can be difficult to install properly. It is also prone to moisture damage, so proper attic ventilation is important.
Another option is rigid foam insulation. It consists of panels or boards that are typically made from polystyrene, polyisocyanurate, and/or polyurethane. Rigid foam insulation can provide a high R-value per inch and is resistant to moisture. It is more expensive than other types of insulation, but it is a good choice for new construction or major attic renovations that require both thermal and structural performance.
Blown-in insulation can be installed quickly and easily, but it has a lower R-value than other insulation options. It’s also susceptible to moisture and can attract pests, so it is important to keep the attic well-ventilated and clean.
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