Pros and Cons of Fiberglass Ceiling / Roof Insulation



  • Cost-effective: Fiberglass insulation is one of the most affordable insulation materials available. It is also relatively easy to install, which can save you money on labor costs.
  • Energy-efficient: Fiberglass ceiling insulation has a high R-value, which means it is very effective at preventing heat loss. This can help you save money on your heating and cooling bills.
  • Fire-resistant: Fiberglass ceiling insulation is non-combustible, which means it will not catch fire. This makes it a safe choice for use in homes with fireplaces or other potential fire hazards.
  • Humidity resistant: Fiberglass ceiling insulation is resistant to moisture, which helps to prevent mold and mildew growth. This is important in areas with high 
  • Sound-absorbing: Fiberglass ceiling insulation can help to reduce noise levels in your home. This can make your home more comfortable and quiet.
  • Eco-friendly: Fiberglass ceiling insulation is made from recycled materials, making it a sustainable choice.


  • It can be irritating to the skin and lungs. When fiberglass insulation is disturbed, it releases tiny glass fibers that can get into the air and be inhaled. These fibers can cause skin irritation, coughing, and sneezing. In some cases, they can even lead to more serious health problems, such as asthma or lung cancer.
  • It can hold moisture. Fiberglass insulation is not a good moisture barrier, so it can become wet if there is a leak in the roof or walls. Wet fiberglass insulation can lose its insulating properties and can also lead to mold growth.
  • It can settle over time. Fiberglass insulation can settle over time, which can reduce its effectiveness. This is especially a problem in areas with high humidity, where the insulation can become more compressed.
  • It is not a good sound barrier. Fiberglass insulation is not as effective as some other types of insulation at blocking sound. If you are looking for insulation that will also help to reduce noise levels, you may want to consider a different option.

East Coast Insulations will assist you on your Insulation requirements, for the roof or ceiling Insulation. Years of experience will guide you to the best product to meet your needs.


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