Continue layering the solution as needed to keep the moss damp for 20 minutes.
Best way to remove moss from siding.
For wood or aluminum siding combine one third cup powdered laundry detergent two thirds cups trisodium phosphate 1 quart bleach.
Pour bleach into a spray bottle.
Chlorine can also damage foliage and stain clothing.
Duct tape plastic sheeting large bucket garden hose with a spray attachment or power washer oxygen bleach long handled scrub brush water resistant footwear and gloves.
Hose off and brush all moss loose from your roof shingles.
Blend a moss killing solution appropriate for the siding material.
How to remove mold and mildew from house siding some simple cleaning solutions and a soft bristled brush can remove mold and mildew from your siding and protect your family and your home s value.
Clean the house siding to remove any moss that may already be growing on the surface.
Wet the side of the house.
For an effective diluted solution mix one part bleach to four parts water in.
How to stop moss from growing on house siding step 1.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.
Rinse your roof with cold water.
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.
Grab your oxygen bleach solution and apply it to all sections of moss growth.