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What Causes Black Mold on Bayside Render House Walls?
By @rowanvtfd382
Black staining on rendered walls is a common concern across Melbourne Bayside, particularly on shaded elevations, near garden beds and beneath leaking gutters. Although homeowners often call it black mold, or black mould in Australian spelling, the discolouration is not always mould. Algae, other biological growth, traffic grime and water-related staining can look similar. The main cause of biological growth on render is persistent surface moisture. Coastal exposure,
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