Clean vinyl siding by brushing away debris with a wire brush, wetting the siding with a garden hose and scrubbing it with a solution of trisodium phosphate and warm water. Work from the top down, cleaning half of each side of the house at a time.Continue Reading
Select one side of the house, and brush down cobwebs, dried mud and other debris with a stiff brush or broom. Move around the house, brushing down debris from top to bottom on each side.
Gently spray the first side of the house with a garden hose. Use care around vents and other openings.
Add 1/2 cup of trisodium phosphate to 2 gallons of warm water. Mix well.
Dip a long-handled brush in the cleaning solution, and gently scrub the siding to remove dirt. Work from top to bottom, doing half of the side at a time.
Move to the next side, and wet it with the garden hose. Scrub from top to bottom, and continue around the house until all the siding is clean.