shingle granule loss causes

Forensic Pathology of the Roof: Differentiating Thermal Blistering, Hail Spalling, and Volatile Organic Loss in Aging Shingles

• September 23, 2026
• admin

When an architectural shingle roof develops surface irregularities—such as pitted voids, circular depressions, or localized granule shedding—property owners and project managers often default to an immediate conclusion: the shingle batch was defective, or a recent storm caused severe mechanical damage. In the forensic science of building envelopes, jumping to conclusions without material analysis leads to …