Moss can cause serious damage to your roof by weakening and lifting shingles allowing water to penetrate the subsurface.
Moss on roof treatment tide.
Do not apply so much water that you wash the tide away but you must make the tide moist as it covers the moss which is particularly important if you are treating moss on a rooftop because if you leave the tide dry it may damage the roofing materials.
Removing moss from your roof with detergent is a common myth and while many myths are more or less harmless the detergent myth is one that is both dangerous and destructive to your roof.
How to remove moss from a roof with detergent.
Moss on a roof begins with a thin dusting of green that you may notice only from low angles.
The moss will turn a light green or yellow color.
This will indicate the treatment is working.
As a rule of thumb professionally removing moss will cost about 5 of what it would take to replace your roof altogether.
This thin layer on the top of the shingles expands and becomes wide thick and mat like.
It is a composition roof about 7 years old.
Rinse the mossy areas thoroughly to ensure that all the tide is removed from the roof.
Since the treatment for moss is similar to that for algae stains refer to our article on how to remove and prevent algae stains on asphalt shingle roofs for more details.
Use the garden hose to saturate the tide lightly over the moss.
To prevent moss from returning cut back any limbs that overhang the roof or install strips of copper or zinc along the ridge.
The seams between the shingles and the shingles edges also develop moss because they tend to be especially shaded.
Products containing d limonene citrus oil are also effective at killing existing moss.
The cost depends on the size of your roof the amount of moss and the labor rates in your area.
It can also cause unsightly.
Yes i m guilty and know better i just let it go for a while.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
For treatment use baking soda when rain is minimal and allow several weeks for the moss to die.
Results are usually seen in 2 3 days.
With either treatment method some moss will slough off naturally as it dies.
Wait 15 minutes after misting the tide.
I have a bad case of roof moss.
The moss is clumpy and about 1 inch high.
Wash the tide away with a garden hose.
