Understanding and Managing Granule Loss on New Shingles
What Is Granule Loss? Granule loss refers to the shedding of granules from the surface of asphalt shingles. This is often due to extra granules, known as “riders,” “hitchhikers,” or “sleepers,” added during the manufacturing process to ensure proper embedment into the asphalt coating. The loss of these extra granules is most noticeable immediately after…