Fiberglass insulation is one of the most common types of insulation used in residential and commercial buildings. It is made of fine glass fibers that are woven together to create a soft, wool-like material. This type of insulation is versatile and can be used in various parts of a building, including walls, floors, and ceilings.

One of the key benefits of fiberglass insulation is its excellent thermal performance. It is a good insulator and helps to keep buildings warm in the winter and cool in the summer. It is also resistant to moisture, which means it will not support mold growth or rot, making it an ideal choice for humid environments.

Fiberglass insulation comes in two types: batt and blown-in. Batt insulation consists of pre-cut pieces of fiberglass that are designed to fit between wall studs or ceiling joists. It is typically used in new construction and can be installed quickly and easily. Blown-in insulation, on the other hand, is made up of loose fibers that are blown into place using a special machine. This type of insulation is ideal for hard-to-reach areas, such as attics, and can be used to fill in gaps and cavities.

Another benefit of fiberglass insulation is its affordability. It is one of the most cost-effective types of insulation available, making it a popular choice for homeowners and builders. It is also easy to install, which can help to keep installation costs low.

However, there are some downsides to fiberglass insulation. It can be itchy and uncomfortable to handle, which means that proper protective equipment, such as gloves and a face mask, is necessary during installation. It is also not as effective as some other types of insulation, such as spray foam insulation, which has a higher R-value per inch.

Overall, fiberglass insulation is a popular and cost-effective option for insulating residential and commercial buildings. Its thermal performance, resistance to moisture, and affordability make it a good choice for many applications.