We had a problem where in very heavy rain the moss build up in the valley was causing water to back up and go under the tile above.
Is moss on my roof a problem.
With that being said treating your roof moss as a do it yourself project is dangerous and poses serious health risks.
Moss tends to form in areas where it is shielded from the sun.
If sections of your roof are under heavy tree cover these are prime spots for moss to thrive.
While nfrc is a dedicated roofing trade association that has been around for over 120 years we have never recognised the practice of moss removal or roof painting as a true roofing discipline.
The one place you do need to watch is if you have an l shaped roof with tiles in the valley rather than sheet lead.
Is it a problem.
The reason being in most instances moss on roof tiles is rarely a problem and only needs to be removed if it is blocking gutters outlets and other drainage points on the roof.
Cleaning moss off of your roof.
Is moss on the roof a problem.
Treat moss roof problems.
In severe cases moss build up may cause lateral water movement causing moisture damage or leaks to the roof.
Removal of moss from roof tiles often requires the services of a professional contractor but there are also easy things you can do at home to prevent moss from growing on your roof tiles.
As a rule of thumb professionally removing moss will cost about 5 of what it would take to replace your roof altogether.
If the moss.
As professional roofers our eyes focus on the moss sorry but we don t have time to stop and smell the roses.
Using a pressure washer can cause even more damage to your roof so unless you re a skilled professional stay away from the pressure washer.
Copper is more toxic to moss and algae but zinc.
Stop a moss problem from returning by installing strips of zinc or copper coated sheet metal just below the top ridge on both sides of the roof.
Most roofs will experience moss or lichen growth and small patches of growth are usually not a problem.
If you find moss on your roof don t panic.
Spray the solution on the roof surface let it sit for 20 minutes and.
Remove moss with a garden water hose and by hand scraping.
Moss thrives in damp moist areas including roofs that are north facing or shaded by trees.
We ve all seen those cute picturesque paintings of cottages with smoke billowing out of the chimney flowers blooming and quaint rooftops dabbled with moss.
Moss on roof tiles.
Moss can be harmful to asphalt shingles.
Moss doesn t always mean you re destined for a whole new roof nor does it mean your home has water or moisture damage.
However taking the proper steps to ensure the health of your roof will save you on eventual time stress and money.
Roof moss comes with a number of problems.