Next saturate the wall with a pressure washer on a low setting so you don t damage the stucco.
Power wash aluminum siding detergent.
This bleach free wet and forget formula harnesses the power of ammonium chloride to eliminate mold mildew moss and algae from vinyl siding and virtually any outdoor surface without harming.
Power washing the exterior of your house is a cost effective alternative to repainting.
You can also look for special cleaning solutions that are meant for cleaning aluminum siding at your local hardware store.
Then apply the cleaning mixture using a single pump sprayer and let it sink in to the surface for 10 minutes.
Both pressure washing and soft washing are done with a commercial pressure washing machine which should be used on all jobs.
Avoid direct sunlight and let the detergent sit for 5 10 minutes.
Siding cleaning services typically use powerwashers or pressure washers to remove microscopic plants moss algae insect nests and spider webs.
Fill the bucket with hot water and a biodegradable detergent according to the product s label.
Don t mix bleach with any cleaner that has ammonia in it.
Inspect the siding for cracks wear and tear and loose panels.
From there water can damage insulation electrical wiring and can spur mold growth.
While it s possible to wash wood siding correctly there s also a good chance that water will find its way up and under the exterior surface if you use high pressure.
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.
The commercial pressure washer machine will properly distribute and dilute chemicals during pre rinse and apply the proper volume pressure ratio for the appropriate surfaces.
To clean stubborn mildew you will need bleach.
Add 3 4 cup of household bleach or vinegar to each gallon of water if needed.
A high powered pressure washer can also dent aluminum and vinyl siding.
Add bleach or vinegar if your siding shows any signs of mildew.
Apply the soap from the bottom up and rinse it away from the top down.
To clean stucco start by mixing 1 2 cup of borax with 2 tablespoons of dish soap and 2 gallons of water.
When searching for a siding cleaner look for local services that.
Vinegar and borax are other good eco friendly alternatives for cleaning mold and mildew.