Is the siding vinyl.
How to remove streaks from vinyl siding.
Remove tough stains clean tough stains off with a nonabrasive cleaner or a homemade vinyl siding cleaner of soap and water that won t damage.
Use the cleaner designated for the particular stain you are working to remove from the list above.
Starting low and gently working your way up is the safest bet.
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.
1 quart liquid laundry bleach.
1 3 cup powdered laundry detergent.
It took a stiff bristle brush in several places to get the siding even again along with another thorough power washing.
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.
Mix a strong solution of siding cleaner or other strong detergent and hot water.
For tough spots like paint drips tar and pencil and pen marks use a nonabrasive bathtub cleaner or nylon scrub pad.
2 3 cup powdered household cleaner.
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.
Mike from powerpro mi discusses how to clean and power wash your vinyl siding.
To prevent streaking start at the bottom and work up towards the top.
Oxidation and mineral stains can be removed from your vinyl siding.
According to the vinyl siding institute the best way is to use a soft cloth or an ordinary long handled soft bristle brush.
1 gallon of water.
Wash vinyl siding with a soft cloth or ordinary long handled soft bristle brush.
For textured surfaces use only a soft bristle brush to avoid smearing stains into the grooves of the texture.
To prevent streaking from soap and water running down the house during cleaning start at the bottom of the house and work up.
I would think the streaks or patches are just places you missed or hit real good with the power washer.
Scrub the area with a scrub brush and the solution.