What Are Fiberglass Shingles
Fiberglass asphalt shingles are made from a fiberglass base mat and layered with a waterproof coating. The fiberglass is made by overlapping wet fiberglass and using a urea-formaldehyde adhesive to properly bind it all together. The mat then receives a coating of asphalt blended with a variety of mineral fillers to make the shingles waterproof….
