How Asphalt Shingles Are Made
What are asphalt shingles made from? Materials Used Asphalt shingles are primarily made of a fibreglass mat, asphalt, and mineral granules. The fibreglass mat provides strength, while the asphalt ensures waterproofing. Mineral granules are added for colour and to reflect sunlight. To enhance performance, these shingles often include additional layers. A layer of adhesive is …