Algae often grows faster on the shaded side of a home where sunlight is limited and surfaces stay damp longer. Learn why moisture, shade, trees, and airflow affect algae growth — and why proper soft washing is usually the safest solution.

Not all gutter stains are just dirt. Tiger stripes, oxidation, and finish failure can all affect how clean gutters look after washing. Learn why some gutters restore beautifully while others have reached the limits of cleaning.

Tiny black spots on siding, windows, gutters, or nearby vehicles may be artillery fungus from mulch. Learn why these stubborn spots are difficult to remove and why pressure washing usually is not the right solution.