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

Image 1
Biological growth (woody plants) on cast stone units
Image 3
Biological soiling (algae) on cast stone units
Image 2
Biological soiling on cast stone units
Image 4
Biological soiling on poured concrete at areas of paint failure