Clean the house siding to remove any moss that may already be growing on the surface.
Best way to remove moss from siding.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.
Chlorine can also damage foliage and stain clothing.
Less volatile than chlorine it removes mildew on and below the surface as well as algae dirt and oxidized paint but won t harm plants or clothing.
Blend a moss killing solution appropriate for the siding material.
Using your brush scrub the moss off of your roof working from top to bottom.
Grab your oxygen bleach solution and apply it to all sections of moss growth.
How to stop moss from growing on house siding step 1.
Pour bleach into a spray bottle.
Hose off and brush all moss loose from your roof shingles.
Continue layering the solution as needed to keep the moss damp for 20 minutes.
For an effective diluted solution mix one part bleach to four parts water in.
Wet the side of the house.
For wood or aluminum siding combine one third cup powdered laundry detergent two thirds cups trisodium phosphate 1 quart bleach.
Oxygen bleach hydrogen peroxide.
It appears to make mildew vanish but on porous surfaces such as wood or vinyl siding chlorine evaporates too quickly to get to the fungi s roots guaranteeing regrowth.