Moss algae and lichen grow on your roof through a combination of two things.
How to grow moss on a roof.
Use a watering can to gently water the moss for the next couple of weeks until it looks healthy and green.
A slurry is a mixture of chopped moss and a food medium such as buttermilk that helps it propagate.
A well shaded roof prevents the evaporation of moisture creating excellent conditions for moss.
Asks what causes moss to grow on a roof and what s the best way to get rid of it moss thrives in a damp shady environment.
So that s where a slurry comes in.
Moss prefers to grow in the shade so exposing more of your roof to sunlight will help deter it.
Read more to find out what you can do.
How to prevent moss on your new roof.
The slurry can be painted onto the rock medium of your choice.
Over time moss can cause your roofing to degrade.
As the moss starts to grow and take hold it needs to be kept really moist.
Keep the moss out of the sunlight so it can stay cool throughout the day.
That s why it often occurs on the north side of a roof or under shady overhanging trees.
The more water and the more debris the greater the chance of moss growth.
Now that you have a brand new roof you ll want to take steps to protect it from getting a moss infection as the last one did.
How to grow moss with a slurry for rocks and bricks it s difficult to start moss as a transplant on a rocky or brick surface.
Within these areas though moss does not grow in equal quantities everywhere.
North facing roof areas that receive little sunlight are prone to moss.
Moisture and organic debris.
Water the moss daily for the next 2 to 3 weeks to establish it.
Since moss thrives in damp environments areas of the roof that get the least amount of direct sunlight like north facing sections or areas shaded by tree limbs make an ideal place for it to grow.
Once moss establishes itself it absorbs rainwater like a sponge and can spread across the entire roof and grow a few inches thick.
Here are a few ways to prevent moss growth on your roof.
Moss develops in perennially shady areas and in places that tend to be cool and damp.