Doing so can strip the cedar and damage the shingles which you may have to replace depending on how bad the damage is.
Removing moss roof shingles.
To remove moss you first have to kill it.
Moss growing on a roof lifts the shingles and allows water to seep underneath and rot the roof deck.
Whether you like the way it looks or not moss will greatly reduce a roof s lifespan.
Apply a storebought or diy cleaning solution to remove the moss.
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.
They can remove the moss inspect your roof and ensure that the moss does not grow back.
The high powered water jets can damage shingles and remove the shingle granules that protect the roof.
While you may not necessarily have to remove the moss covered shingles before a new roof installation you should consider it.
A thick growth of moss works like a sponge keeping the roofing damp for long periods and it can lift edges of shingles making them vulnerable to blowing off in a windstorm.
The benefits of removing moss covered shingles before a new roof installation.
There are many ways to remove moss that tends to grow in shaded areas.
Use a solution of bleach vinegar or dish soap for this.
Moss can lift up shingles exposing the roof to moisture which allows rot to form.
When the moss is dead scrub it off then install zinc flashing to prevent more moss growth.
Once the moss has been thoroughly eradicated from the roof take steps to keep moss from returning.
Work on one small section at a time which allows you better control of the brush and your scrubbing motions.
Cleaning asphalt shingles of clumps of moss or algae that have taken root in the roof can feel like an overwhelming endeavor.
Moss on your roof isn t just an ugly problem.
It s also a dangerous one.
After you have killed the moss on your roof you must remove the dead moss manually or it will act like a sponge and soak up water further promoting decay.
Both tasks work hand in hand to ensure the longest possible lifespan for your roof.
However if you choose to remove it yourself do not use a pressure washer to clean the roof.