Material: Slate
Condition: Soiled Biological
TPAS Code: Bio
Condition Type (AutoCAD Layer): Slate_SoilStain
Severity Units: Not applicable
Ammount Units: Area affected in square feet
Description: Microbiological plant growth on the surface of the slate, such as algae, moss or lichen, or vascular plant growth, typically in gutters, cracks or on roofs.
