To remove moss you first have to kill it.
Remove moss on roof lily.
Use a solution of bleach vinegar or dish soap for this.
It s also a dangerous one.
Follow these steps for how to remove moss.
If using a homemade spray leave it on for 15 20 minutes.
In my experience kill the moss let it die and in a few weeks manually remove the dead moss with a soft cedar shingle it s not easy but it works.
Moss growing on a roof lifts the shingles and allows water to seep underneath and rot the roof deck.
How to remove moss from a roof.
Moss can lift up shingles exposing the roof to moisture which allows rot to form.
With either your homemade cleaner or a store bought option spray the moss.
Moss on your roof isn t just an ugly problem.
1 slide a margin trowel under shingles to unstick them from the ones below.
Whether you like the way it looks or not moss will greatly reduce a roof s lifespan.
Fortunately removing moss is a fairly simple task that you can perform on a seasonal or as needed basis to keep your roof weathertight and great looking.
2 slide sacrificial zinc strip underneath the loosened shingles.
Again many years of roof life are lost to power washing.
Liquid moss killers cover the roof more evenly than dry powders and they let you stay on the ground for the application.
Even so you will always need to mount the roof later on in order to remove the dead moss.
When the moss is dead scrub it off then install zinc flashing to prevent more moss growth.
Letting the moss slowly roll down your roof and into the gutters just clogs up the gutters downspouts and underground drains.
If the water will not reach the peak of the roof from the ground you can spray while standing on a ladder.
Follow the store bought cleaner s instructions for how long you should leave the cleaner on the moss.
In this video this old house general contractor tom silva explains how to remove roof moss and prevent it from coming back.
Before applying a moss remover cleaner use a scrub brush 3 15 the home depot or a long handled soft bristle brush to gently scrape or pluck moss from the roof shingles or tiles.