Blog

Granules make up the entire outer layer of asphalt shingles, making them an important component. In addition to providing color and texture, granules protect the asphalt layer from UV damage. In today’s post, local residential roofing company Hinkle Roofing shares a closer look at asphalt shingle granules. What Are Asphalt Shingle Granules Made Of? Asphalt shingle granules are made of crushed rock that’s sifted to a certain grain size then mixed with ceramic granules. This granule mix can then be mixed with other ingredients for color and other features. For example, copper granules can be added into the mix to create resistance...