If you do decide to use a power washer to clean the moss off your roof make sure the pressure washer is set on the lowest pressure setting to avoid damaging your roof.
How do i keep moss off my roof.
The trick is to put the flashing under.
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.
This can actually do more damage than it s worth.
When the moss is dead scrub it off then install zinc flashing to prevent more moss growth.
Broken tiles and the risk of injury are just a couple of reasons why you should never stand on your roof.
How to prevent roof moss and algae.
First let the sunshine in.
Many roof cleaning companies will state that they need to actually send someone up on to the roof in order to remove the moss.
Scrape off the moss.
Moss growing on a roof lifts the shingles and allows water to seep underneath and rot the roof deck.
Which acts as a poison to the moss and algae.
Use a solution of bleach vinegar or dish soap for this.
If you need to clear your gutters or retrieve something from.
A layer of green moss might look cozy and rustic atop your house but it can be bad news for your roof.
Happily there are preventive measures you can use to keep your roof moss free.
Follow these three straightforward steps to clean off all moss and keep it from coming back.
These are on average around 3 inches wide and you can nail them a little below the peak of the roof.
It will keep the moss off your roof but it will eventually run into the ground water.
The rain water will take minute quantities of zinc off these strips and the flow of this zinc solution over the roof will prevent any moss from getting started.
To keep the algae from coming back insert 6 inch wide strips of zinc or copper under the row of shingling closest to the roof peak leaving an inch or two of the lower edge exposed to the weather.
Keeping moss off of shingles.
A better choice is zinc strips.
The copper will change color to a green like grey but that s a lot better looking than all that moss and algae.
When the rain water passes over the copper flashing a little copper gets mixed into the rain.
Use the tool to gently lift away matted moss that has gathered on the flat sections of the shingles.
To remove moss you first have to kill it.
Trim branches overhanging your roof keep gutters free of debris and regularly remove moisture collectors such as leaves branches and seedpods that pile up on the roof and encourage moss to grow.
Let the chemicals and the flow of water do most of the work.
As rain crosses the zinc it dissolves a little of it and helps keep the moss away.