Wearing your rubber gloves.
Bleach solution for mold on siding.
Depending on the size of the area you want to clean you ll need a larger quantity of the solution.
If this is the first time cleaning vinyl siding with bleach water you might want to try a small section to test how long you will need to leave the solution on the siding before rinsing.
There are some commercial mold and mildew cleaners on the market but in my experience the easiest and best mold and mildew cleaner for vinyl siding is a bleach based solution.
Cover them with plastic sheeting for further protection.
A basic solution for most surfaces the most commonly used solution to use to remove mildew from a surface contains 1 4 cup bleach for every 1 gallon of warm water.
If the mold is still hanging on it s time to bring out the borax which is an alkaline mineral salt cleaner that s safer to use than bleach.
Let the solution dry for one hour then wipe down the surface with a moistened cloth followed by a dry towel.
It does not damage plants when spraying either and is safe to add around landscaping.
Water any grass plants flowers or other foliage surrounding your cedar siding.
Combine equal parts vinegar and warm water in a spray bottle and spritz this solution on the mold.
Step 1 wet down surrounding plants and landscaping with plain water.
This will protect plants from any possible damage to the greenery from bleach runoff.
When substituting the two ingredients replace the one quart of chlorine bleach with one cup of oxygen bleach.
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.
Homemade mold cleaner for siding.
I find that ten minutes is just right.
This should be your rule of thumb for most mildew removal projects.
Bleach is commonly used to clean dirty siding and is especially effective at remove mold mildew and algae from the surface.