Before start pressure washing your vinyl siding, you need to prepare the site by removing any obstacles from the work area that could cause a trip hazard or tangle your hose, then wet and cover nearby plants, cover electrical components including light fixtures and close all windows and doors.
You will need a specific cleaning solution that is safe for your pressure washer and vinyl siding, without it you risk damaging your house siding because more water force will be required to remove the dirt and grime.
Spray the cleaning solution from the bottom and working up in sections to prevent streaks, allow the solution to work a few minutes but do not let it dry; in the meantime you can use a brush to scour heavily soiled areas of your vinyl siding.
Flush any detergent from the system and then rinse the cleaning solution and residue off the vinyl siding working from the top down.
If you have a two story house, an extension wand will make your pressure washing project safer than using ladders.
If some of your vinyl siding has begun to grow mildew, a little bleach is required. Mix one part household bleach with 10 parts water, spray the solution with a pump sprayer and wipe the affected area if needed, then rinse it away with clean water.
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