Remove any leaves and dead plants near the foundation and the exterior walls of your home.
Scrub exterior paint that has mold or mildew on it with a mixture of 1 quart bleach, 3 quarts water and 1/3 cup mild dishwashing liquid. Allow to dry and then apply a mildew-resistant paint.
Keep your roof clear of vegetation. Sweep your roof using a stiff broom to remove leaves and other debris, then use a garden hose to wash it down. Alternatively, clean your roof using 1 part bleach and 9 parts water to kill mold.
Seal outdoor wood such as decks and patios with a wood sealer to protect against the elements and keep mold growth at bay.
Scrub untreated wood with a mixture of 3 quarts water, 1 ounce mild dishwashing liquid, 1 quart bleach and 3 ounces trisodium phosphate. Rinse the area and allow to dry in direct sunlight.
Mix 1 part bleach with 4 parts water in a bucket. Scrub molded concrete with the mixture. Allow the concrete to dry.
Things You Will Need
- Mild dishwashing liquid
- 5-gallon bucket
- Mildew-resistant paint
- Stiff broom
- Garden hose
- Wood sealer
- Scrub brush
- Trisodium phosphate
- You may want to hire a mold inspector for a thorough evaluation of your home's exterior.