Clean the house siding to remove any moss that may already be growing on the surface.
Easy way to get moss off your siding.
3 cover any desirable vegetation near the siding with plastic sheeting to protect plants from.
Peel or scrape the bulk of the moss off of the siding with your fingers or gently with a putty knife.
Hose off and brush all moss loose from your roof shingles.
Use a scrub brush to remove surface dirt and mold.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
Wet the side of the house with a garden hose.
Aluminum is not vinyl however so whether you are scrubbing or spraying go gentle or your siding with dent.
Consider filling a bucket with warm water and dish detergent and soaking the bristles of your brush for a more effective clean.