Types of Attic Insulation

May 23, 2025

An insulated attic creates a barrier that prevents warm air from escaping your home during winter and hot air from entering in the summer, helping to save money and improve comfort. A qualified contractor will air seal the attic before adding insulation to ensure the optimal R-Value for your climate zone, and help you choose the best material for your needs. More info tcsolutionsusa.com

One of the most popular attic insulation types is fiberglass batts. These are pre-cut panels that come in a variety of standard sizes and R-Values to meet building codes for your region. They can be installed quickly by a professional. However, they are at risk of settling over time and can compress under raised floor systems or blocking attic vents. They should never be placed directly over ductwork, as this will reduce efficiency and may trap moisture.

Why Proper Attic Insulation Matters for Your Home

Blown-in cellulose attic insulation is also a popular choice. It’s created using recycled materials such as newspapers, cardboard, and wood-based products. Boric acid and other substances are added to the cellulose to flame-proof it, and then it’s blown into your attic space to fill gaps and keep the heat in.

Like fiberglass batts, blown-in cellulose can be compressed over time and lose R-Value. This can make it more difficult to get a good fit between the attic and living spaces of your home, as well as to access ductwork.

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