Understanding and Managing Asphaltic Oil Staining on New Shingles
What Is Asphaltic Oil Staining? Asphaltic oil staining refers to the appearance of dark-colored oils on the granules of shingles, which can cause a temporary darker visual appearance. This phenomenon is purely cosmetic and does not affect the performance of the shingles. Causes of Asphaltic Oil Staining Asphaltic oils are naturally present in all asphalts….
