Let the solution sit for several minutes before brushing that portion of siding.
Steps to safely power wash aluminum siding.
Use a bucket of warm water with spic and span 409 or any other all purpose cleaner along with a long handled soft bristled brush and begin scrubbing any dirt or grime still remaining.
To distinguish between mildew and dirt apply a small amount of bleach on the area in question.
Luckily this area of the house doesn t have a lot of plants nearby.
Hand washing aluminum siding usually will remove any dirt or grime still remaining.
Apply the soap from the bottom up and rinse it away from the top down.
Painted soft grain wood siding stucco and aluminum siding are best treated with 1 200 to 1 500 psi models.
You will want to focus on.
If it remains dark in color it is dirt but if it changes color and lightens it is mildew.
Avoid direct sunlight and let the detergent sit for 5 10 minutes.
Fill a garden sprayer with your solution.
Spray a portion of the siding about twenty feet wide by the full height of the surface.
For delicate stucco it s also best to use a 25 to 30 degree wider spray nozzle to.
Break your work up into four foot wide sections.
Next put on the proper safety attire including gloves glasses and a mask.
It s important that the cleaner doesn t dry on the.
How to clean aluminum siding first rinse the aluminum siding off.
Now change the pressure washer nozzle to the 25 or 40 degree spray tip and wash away all the detergent while keeping the wand at least 1 foot away from your house siding.
Cover nearby plants with plastic sheeting.
Prevent dirty aluminum siding trimming trees and bushes near your siding moving woodpiles or leaves away from your house washing the siding often keeping an eye out for trouble.
How to clean aluminum siding work in sections.
Add a detergent solution to the soft or power washer tank.
You can also look for special cleaning solutions that are meant for cleaning aluminum siding at your local hardware store.
Use a medium pressure level and an angled spray nozzle.