I cut the tree branches back about 8 feet from the house / roof. I am still getting moss growth on the shingles. The area would be damp regardless of the tree that I am reluctant to cut down. Is there a spray on product of some sort that would stop moss growth?
Most big box stores sell Moss-Out or the equivalent, a zinc solution that kills moss, and is mixed from a concentrate, either using a pump sprayer or a hose-end sprayer. Just look up - removes moss - on google, for various brands. I would first try a straw broom to remove the big bits, when the roof is dry, before you spray the stuff. They say bleach also works, but I don't know if it would harm your roof material.
Box stores carry a product that is a liquid spray. Also a zinc strip can also be added to the peak to keep moss away. Moss is a plant I guess roundup would work. But you realy need more sun.
Just go buy a bag of regular builders lime. Most hardwares have it with the concrete mixes.
Sprinkle it over the moss, and in a week most of it will be dead, and the rain will take it away. Even the tree huggers can't complain as it's natural.
AMUN
A roofer once told me to sprinkle lime on the roof yearly to discourage moss. I've never found it would kill it once it's there. Maybe if heavily applied.
Bob
moss. I've never found it would kill it once
Even if it's a 1/2" thick you just need a bit of a dusting. Within a few days all the green turns brown, and once it dies the rain and wind take it off without even loosening any of the shingle covering.
Taking the worst off with a broom usually takes a few years off the life of the shingles
And as moss usually grows from acidic tree sap, the powder that washes off onto the grass does that good too.
AMUN
We are a small company that manufacture and supply direct a range of products for moss removal and prevention. We have the ecological 'Batimoss' to kill the growth and root system over a few days, 'Batiface' to kill the plant more directly over a few minutes (but don't use on other plants either!). We also have 'Hydromoss', a sealant to cover the surface and protect it from infiltrating water and rain (rather like a car wax) which will also prevent any moss regrowth over a long period of time. All products are designed to not degrade the surface being treated; this can be a major problem if using 'home made' alternatives such as bleach. If you want to see more information, please look at the page:
Does the moss even need to be removed? What harm does it cause?
Our garage, which is not attached to the house, has some moss on it and has forever. Is there some damage being done?
Some damage to the neighborhood values and sensibilities.
Any serious damage to the roof itself?
It's a very attractive type of moss. We wouldn't have any other kind in this neighborhood. ;-)
I used to feel the same way until I noticed that the "roots" of the moss tend to pull the grit off the shingles, leaving bare spots that eventually turn to holes.
Moss can easily shorten the life of a roof by half
OK, thanks.
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