Controlling Mildew Growth

Mildew is a fungus that will grow on any organic compound. It likes moisture and warm climates. It feeds on the oil in solvent-based paints or the thickeners in water-based paints. The spores are microscopic and are present in the air around us. They can remain dormant indefinitely and can grow underneath coatings if not removed.


On a cool, cloudy day:

Apply a solution of ½ cup TSP, 1 quart household bleach and 3 quarts of water to affected areas.

Agitate with a scrub brush.

Let stand on the surface for at least 45 minutes.

Rinse off with a garden hose.

Allow surface to dry completely.

Top coat with mildew-resistant paint.