Pour 4 gallons of warm water into a large bucket and mix in 1 4 cup of laundry detergent.
How to remove black spots on siding.
A popular homemade option is to mix three 3 parts distilled white vinegar with seven 7 parts water in a bucket.
2 3 cup powdered household cleaner.
Apply it allow it to bubble and then brush it off with a wet scrub brush or sponge.
Follow up by spraying another layer onto the entire roof.
It can potentially cause pitting in the aluminum and damage to the paintwork.
Add a fresh layer of mulch.
You can try a number of proven diy and commercial cleaning solutions on your siding.
You might also need to use some sandpaper to remove any pitting.
After sanding you will then need to use a soft cloth to buff up the aluminum siding.
Spray a generous amount of the cleaning solution onto the black areas of the roof shingles.
This will mean that you need to buff it up at the least.
1 gallon of water.
Choose the best cleaning solution.
Use big pieces of pine bark or other bark mulch which are a less hospitable place for the fungus.
Dip a soft brush into the soapy solution and begin scrubbing the bottom of the siding using side to side motions.
How to prevent shotgun fungus.
This will buy you a year before the fungus reaches to the top of the new mulch.
If you use these then this can actually affect the aluminum itself.
Keep in mind that it might also bleach the paint on the siding.
1 3 cup powdered laundry detergent.
Step 4 rinse the area you just cleaned with the garden hose and then work your way up the siding.
Plant a low maintenance groundcover in the area instead of.
Do a test spot somewhere inconspicuous.
1 quart liquid laundry bleach.
Step 4 allow the mixture to sit on the shingles for 15 minutes then rinse the roof well with water from the garden hose.