It is only advisable to use a pressure washer because you no longer need to worry about the condition of the old roof.
How to safely remove moss from a shingle roof.
Your roofers will need to remove all the shingles on your old roof or they may need to remove the largest chunks of moss with a pressure washer and then apply the new roof.
This roof faces north east and we have had two very wet summers in sw michigan.
Once the moss has been thoroughly eradicated from the roof take steps to keep moss from returning.
I called our building contractor and he recommended bleach but i am not going in that direction.
When leaves and other material collect on your roof a perfect bed is formed for moss and lichens to grow.
I m looking for a non toxic solution that will not harm the shingles cement porch siding or landscaping.
You can remove moss and lichens from your roof by using vinegar as a environmentally friendly weedkiller.
This week i noticed that my 12 year old roof has bright green moss on the shingles.
Apply a storebought or diy cleaning solution to remove the moss.
Work on one small section at a time which allows you better control of the brush and your scrubbing motions.
How to remove moss from an asphalt roof.
We recommend a long handled brush to make this task as safe as possible.
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.
The high powered water jets can damage shingles and remove the shingle granules that protect the roof.
You sent is more worrisome because it can damage asphalt shingles.
A thick growth of moss works like a sponge keeping the roofing damp for long.
We are an organic homestead.
Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together.
If you have a large amount of moss build up you will first have to scrub it off with a brush.
There are many ways to remove moss that tends to grow in shaded areas.