To remove rust stains on vinyl siding begin by thoroughly wetting a clean sponge or rag.
Best way to remove rust stains from vinyl siding.
Make a thin cleaning paste using bar keeper s friend and clean water.
Steps to remove the stains.
Attack stains by first spraying them with water.
Oxalic acid crystals with 1 cup warm water.
Mix a strong solution of siding cleaner or other strong detergent and hot water.
Protect yourself with rubber gloves and goggles.
I spray the deposits with lime away and the deposits will dissolve within 1 or 2 days.
Mix a solution of 1 tbsp.
Before attempting to remove stains it is best to clean the area with a general cleaner.
Scrub the area with a scrub brush and the solution.
Bleach is a surface tension inhibitor lubricant.
Don t use a metal brush on vinyl siding but make sure it has fairly stiff bristles.
A lot of siding has grooves and textures and the brush will make sure the rust is removed from these areas.
Just make a paste with the bar keeper s friend there may be other brands but this is the one i use and scrub the area with the rust stain.
The rust stains are not real rust but lime deposits.
Use it to gently clean rust stains from vinyl siding and work on one slat at a time to avoid leaving it on too long.
Any built up dirt will run off of the vinyl siding within 2 to 3 minutes then just spray fresh water on the siding.
Spray the rust stains with a steady stream of water from a garden hose.