Power or pressure washing can and does leave a slight dirt film behind unless you position the tip of the cleaning tool dangerously close to the surface being cleaned.
Washing vinyl shutters.
Mix 1 3 cup detergent tide for example 2 3 cups tri sodium soilax for example with 4 quarts of water.
How to clean vinyl shutters method 1 of 3.
Mix 1 part shutter renu professional grade cleaner concentrate to 9 parts water.
Then use a soft bristle brush to gently scrub the shutters using your homemade cleaning solution.
Mix a solution using commercial cleaner.
You can purchase a commercial.
Do not think for a moment that power washing the vinyl is the best way to clean the surface.
Step 2 spray cleaner on no more than 2 shutters at a time.
To start cleaning your shutters put on a.
Mix in a pump up garden sprayer bucket or spray bottle.
I tried a product called nu vinyl but that lasted only one season.
Providing a routine cleaning.
Any help would be most.
The color is solid throughout with just the surface having faded.
Put on rubber and cotton gloves.
Cleaning the vinyl by hand is extremely important.