- Pour one cup of dishwashing liquid into a gallon bucket. Fill the remainder of the bucket with cool water.
- Wash the fence with the cleaning solution and a medium-bristled brush. Rinse the fence with a water hose. Make sure you remove all the soap.
- Pour one cup liquid laundry bleach into a gallon bucket. Fill the remainder of the bucket with cool water.
- Wash areas of the fence with mildew with the bleach solution. Use a medium-bristled brush to scrub the mildew from the fence. Rinse the fence thoroughly with a water hose. Make sure you remove all the bleach. Allow the fence to dry completely.
- Paint the sealer on the fence using a paint brush or paint sprayer. If you use a sprayer, follow the sealant manufacturer's instructions for thinning the product for use with a sprayer. Apply the sealer evenly on the fence. Allow the sealer to dry at least one day before wetting the fence.
Things You Will Need
- Dishwashing liquid
- Gallon bucket
- Medium-bristled brush
- Water hose
- Liquid laundry bleach
- Paint brush or paint sprayer
- Oil-based sealers cost a bit more but last longer than wax-based sealers.