What is the main advantage of fiberglass shingles compared to organic shingles?

The primary advantage of fiberglass shingles is their better fire resistance compared to organic shingles. Fiberglass shingles are made by embedding glass fibers into a mat, which significantly enhances their fire-resistant properties. This is particularly important in fire-prone areas, as fiberglass shingles can often withstand higher temperatures and resist igniting more effectively than organic shingles, which typically have a base made of asphalt that is more susceptible to catching fire.

While options like lower weight, cost-effectiveness, and increased durability also pertain to the characteristics of fiberglass shingles, the standout feature that distinguishes them from organic shingles is indeed their superior fire resistance. This quality provides an important benefit in terms of safety and insurance considerations for homeowners and builders alike.