Let the solution dry for one hour then wipe down the surface with a moistened cloth followed by a dry towel.
Bleach solution for mold on siding.
Bleach is commonly used to clean dirty siding and is especially effective at remove mold mildew and algae from the surface.
Step 1 wet down surrounding plants and landscaping with plain water.
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.
This will protect plants from any possible damage to the greenery from bleach runoff.
Oxygen bleach is a much less caustic form of bleach that also rids siding of mold and mildew.
Our homemade mold cleaner for vinyl siding does the job without much scrubbing.
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.
Combine equal parts vinegar and warm water in a spray bottle and spritz this solution on the mold.
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.
Set your pump sprayer s nozzle to a wide pattern and evenly spray the bleach water solution onto the wet vinyl siding.
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 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.
Depending on the size of the area you want to clean you ll need a larger quantity of the solution.
Cover them with plastic sheeting for further protection.
Homemade mold cleaner for siding.
This should be your rule of thumb for most mildew removal projects.
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.