Most extruders suggest using mineral spirits for the best result when cleaning vinyl fence. To clean a vinyl fence, you should use a mild detergent and water. Avoid using harsh chemicals or abrasive cleaners, as these can damage the surface of the fence. A mixture of warm water and dish soap is often effective at removing dirt and grime from the fence. You can also use a vinyl fence cleaner specifically designed for cleaning PVC products. To apply the cleaner, use a soft cloth or sponge and scrub the fence in a circular motion. Rinse the fence thoroughly with water to remove any leftover soap or cleaner. Be sure to also clean any gates, railings, or other accessories that are part of the fence.