4 Types of Attic Insulation

Home insulation is a key element of an energy-efficient home. Proper attic insulation helps reduce air leaks, lower energy bills and emissions, and contribute to climate change mitigation efforts. In addition, well-insulated homes help keep warm air from escaping in the winter and hot air in the summer, and they make your living spaces more comfortable.

When deciding on attic insulation, it’s important to understand the 4 types and their pros and cons before choosing. This article will discuss the pros and cons of fiberglass batt, rock wool, cellulose, and spray foam attic insulation so that homeowners can find the best type for their needs.

Fiberglass Batt

Fiberglass insulation is made from glass fibers that were originally sand and recycled materials. It is a cost-effective and popular option for attic insulation. It is also soundproof and can significantly reduce noise from outside and inside your home. It is also a fire retardant, so it is a safe choice for your home.

Blown-in Insulation

Blown-in insulation is often made of cellulose (recycled newspaper) or rock wool and is installed with a machine designed for this purpose. It is more comprehensive than fiberglass insulation, filling gaps and covering surfaces evenly. It can also be used in difficult to reach places such as the edges of joists or around obstructions. However, it is susceptible to moisture absorption and may promote mold growth if not properly protected with a vapor barrier.

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