It doesnt harm plants or grass so it doesnt matter if there is run off from the roof.
How to get moss off roof of house.
In the uk we get lots of moss on roofs.
1 slide a margin trowel under shingles to unstick them from the ones below.
Use a scrub brush to remove surface dirt and mold.
Wet the side of the house with a garden hose.
Its recommended anyone cleaning moss off a roof should do it on a cloudy day.
In this video this old house general contractor tom silva explains how to remove roof moss and prevent it from coming back.
2 slide sacrificial zinc strip underneath the loosened shingles.
But that would only make sense if the shingles were worn out.
However there is more than one way to.
Use sodium percarbonate its a granule which produces oxygen when mixed with water.
Climb up to the roof and begin scraping off dead moss from the shingles using a putty knife or painter s 5 in 1 tool and working from the bottom up.
When applying roof cleaning products onto a roof on a hot sunny day it will quickly evaporate and you won t get the desired result.
A layer of green moss might look cozy and rustic atop your house but it can be bad news for your roof.
It also kills the spores which enables the moss to spread.
Consider filling a bucket with warm water and dish detergent and soaking the bristles of your brush for a more effective clean.
Scrape off the moss.
How to get rid of algae on the roof you could replace all the roofing with new shingles dark enough to disguise the staining or with shingles laced with copper granules which are lethal to algae.
Work on one small section at a time which allows you better control of the brush and your scrubbing motions.
Follow these three straightforward steps to clean off all moss and keep it from coming back.
Use the tool to gently lift away matted moss that has gathered on the flat sections of the shingles.
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.