Moss grows in cold, humid environments. If you have moss on your roof, it's probably because the roof is shaded by trees or other structures, allowing moisture to stay and moss to grow. Water and debris increase the chances of moss growing on the roof. Moss will also thrive if the roof is in a shaded area, as shade prevents moisture from evaporating.
Moss grows in cool, humid environments with plenty of shade. These conditions prevent moisture from evaporating, allowing moss to start growing between the shingles. Wash the area with a hose with running water, spraying at a downward angle. Then, use a long-handled, soft-bristled brush to remove moss from the ceiling, rubbing from top to bottom to avoid lifting the shingles.
As you continue, scrub gently, don't scrape, scrub, or hit the ceiling, and work on a small section at a time to avoid tearing, cracking, or breaking the shingles. When it rains, the moss absorbs water and retains it, creating conditions of constant humidity on the roof. Then, use a long-handled, soft-bristled brush to carefully scrape the damp moss down to the edge of the roof. While most people don't like roof moss because it ruins the look of their home, moss can seriously damage the roof.
If your house roof has moss or algae problems, it's always best to address the problem right away rather than wait for it to worsen. If your moss problem requires more than just a simple scrub, there are a wide variety of commercial cleaning solutions, as well as homemade recipes for removing moss from roofs that will do their job. Just wait for the next cloudy day before going out to the roof with the cleaner of your choice, you don't want the solution to evaporate too quickly. Moss can also crawl underneath shingles, shingles and slates, tearing them off the roof and causing immense damage.
If a moss infection has developed on your roof, you can remove it before it becomes severe enough to affect roof performance. All it takes is for a spore to land and live on the roof so that it turns into moss and spreads like wildfire. If the moss on the roof has already turned into a small lawn, these tips are still useful to prevent it from growing again. Chemicals are often best left in the hands of moss removal professionals, such as Clean Break Home Services, who use an industry-standard 12.5% bleach solution and technical knowledge to create a safe blend that offers maximum effectiveness.
Moss can give your home a touch of fairytale charm, but it can be an indicator of water damage or other roof problems, not what you need when you want to live happily ever after. In addition, many of the methods for removing moss that are recommended online actually damage shingles, which could significantly increase the chances of a leak. Worse, when you remove the moss from the roof, the shingles will clumsily fall again after losing the moss structure that once held them up.