For best results use a cloth or soft bristled brush and start from the bottom so your cleaning solution doesn t leave streaks or just drip off the side of the house.
How to remove streaks from vinyl siding.
For tough spots like paint drips tar and pencil and pen marks use a nonabrasive bathtub cleaner or nylon scrub pad.
1 3 cup powdered laundry detergent.
Starting low and gently working your way up is the safest bet.
Mike from powerpro mi discusses how to clean and power wash your vinyl siding.
To prevent streaking from soap and water running down the house during cleaning start at the bottom of the house and work up.
Scrub the area with a scrub brush and the solution.
2 3 cup powdered household cleaner.
A pressure washer can quickly ruin vinyl siding by cracking it with the high pressure stream of water so it s necessary to know which pressure level and nozzle to use.
Use ammonia cleaners or a solution of.
I also had the same thing on my house and discovered that was the problem.
Once the general cleaning is completed you are ready to tackle the stain.
1 quart liquid laundry bleach.
Mix a strong solution of siding cleaner or other strong detergent and hot water.
1 gallon of water.
For textured surfaces use only a soft bristle brush to avoid smearing stains into the grooves of the texture.
I would think the streaks or patches are just places you missed or hit real good with the power washer.
According to the vinyl siding institute the best way is to use a soft cloth or an ordinary long handled soft bristle brush.
Try to clean siding on cool or overcast days or when the sun is not at its brightest during the early morning or.
Clean stubborn oxidation using a slightly stronger mixture of 1 3 cup of laundry detergent 2 3 cup of household.
To prevent streaking start at the bottom and work up towards the top.
Oxidation and mineral stains can be removed from your vinyl siding.
Use the cleaner designated for the particular stain you are working to remove from the list above.
Wash vinyl siding with a soft cloth or ordinary long handled soft bristle brush.