Even so you will always need to mount the roof later on in order to remove the dead moss.
How do i kill moss growing on my roof.
To remove moss you first have to kill it.
When i noticed moss on my roof my first instinct was to rent a pressure washer and blast it away.
Hose off and brush all moss loose from your roof shingles.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
When the moss is dead scrub it off then install zinc flashing to prevent more moss growth.
Moss growing on a roof lifts the shingles and allows water to seep underneath and rot the roof deck.
How to kill moss growth on roof shingles.
After a few minutes of research i quickly learned that you should never use a pressure washer to remove moss or anything else from your roof.
Liquid moss killers cover the roof more evenly than dry powders and they let you stay on the ground for the application.
Use a solution of bleach vinegar or dish soap for this.
If the water will not reach the peak of the roof from the ground you can spray while standing on a ladder.
The bleach will kill the algae or moss but rinsing won t necessarily leave the roof sparkling clean.