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Material: Terra Cotta
Condition: Soiled Biological
TPAS Code: Bio
Condition Type (AutoCAD Layer): TerraCotta_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 (vascular plant) in slip surfaced terra cotta
Image 3
Biological growth (algae) in glazed terra cotta
Image 2
Biological growth (vascular plant) in glazed terra cotta
Image 4
Biological growth (algae) in glazed terra cotta