Roof Algae vs Roof Mold Identification: Safe Diagnosis
Roof algae vs roof mold identification depends on more than color: algae usually creates flat, broad dark streaks on sun-exposed asphalt shingles, while mold indicates persistent moisture and often appears in concealed, irregular, or three-dimensional patches. Because dirt, moss, lichen, rust, and roof shadow can look similar, confirm the growth pattern and inspect the attic […]