A thatched roof protects your home from weather and moisture, but unfortunately moss often finds its way to the surface. Moss isn't just an eyesore - it traps moisture, weakens the roofing material and shortens the life of the roof if not dealt with in time. Fortunately, cleaning a felt roof is not an insurmountable task when you know the right ways to remove it effectively. In this article, we'll go through five sure-fire ways to get moss under control safely and effectively.
Whether you're grabbing a brush yourself or planning to have a professional do the job, this article will give you the best tips for successful moss removal!
Main takeaways from the article
- Moss traps moisture and over time weakens the surface material of the roof.
- It pays to clean your felt roof spring and autumn, so that any dirt, leaves, needles and possible moss accumulated on the roof can be removed before they can cause damage.
- Moss remover for roofs effectively removes even the most ingrained moss without damaging the felt surface.
- With regular roof maintenance, moss and other problems can be detected in time, and the life of the roof is significantly extended without the need for major repairs.
- The cost of removing moss from a roof usually ranges from €1 000 to €3 000.

Do I need to remove moss from a felt roof?
Yes, moss should be removed from felt roofs, as it traps moisture and can deteriorate the surface material of the roof over time. Keegan Reeve-Yates write why moss removal from the roof is important:
"If you allow large moss covers to grow on your roof, they will hold water against the roof surface, which can cause roofing materials to rot."
Moss can grow roots into the felt structures, increasing the risk of cracking, leaks and premature wear. In addition, a damp roof is more likely to collect dirt and promote the formation of vegetation. Removing moss early will extend the life of the roof and keep structures in better condition.
When should you clean your felt roof?
Moss removal from felt roof worth scheduling for spring and autumn, so that any dirt, leaves, needles and possible moss accumulated on the roof can be removed before they can cause damage.
Spring cleaning helps check for any damage from the winter, while autumn cleaning ensures that the roof is clean before the winter snow and frosts. If moss starts to appear earlier, it's not worth waiting - the sooner you clean, the more likely your roof will stay in good condition. Prevention is easier and cheaper than repairing damage later.

How to clean a felt roof?
Cleaning the felt roof is an important part of roof maintenance, and if done correctly, it will significantly extend the life of the roof. Moss, leaves and dirt trap moisture, which can damage the felt surface and accelerate roof wear. Cleaning should be done with moderation, using a method appropriate to the felt roof to keep the felt intact and in good working order. We are often asked, how to get moss off a felt roof. Here are five tips that work, to help you removing moss from felt roofs safely and efficiently.
1. Cleaning the felt roof with a brush
I'm sure many people are wondering, how to get moss off a felt roof. The best way to get moss off the felt roof is the brushing. Cleaning the felt roof you should start by brushing away loose dirt, needles and moss. Use soft bristle brush, which will not damage the delicate felt surface. Brush lightly along the surface of the roof and avoid hard rubbing, which can break the protective layer of the roof.
Brush cleaning is particularly effective when the moss is not yet deeply rooted in the felt. Regular brushing prevents the build-up of dirt and vegetation and helps keep the roof in good condition year after year.
2. Apply biodegradable moss remover
Once the loose dirt and moss has been brushed away, the next step is to apply biodegradable moss remover. Moss Remover for Felt Roofing effectively removes even the most ingrained moss without damaging the felt surface. The product is left to act according to the manufacturer's instructions, killing the moss roots and preventing them from growing back. As in the previous Article from we tell you, we On the gutter.com we clean the moss from the roof with a biodegradable cleaner called Benac 50.
Biodegradable moss removal agent is a safe choice as it decomposes naturally and does not damage the environment or roof structures.

3. Allow the moss to dry before removing it
Once the moss remover has been applied, leave the moss to dry in peace before final removal. Dry moss is much easier to remove from a felt roof than wet moss, making the cleaning job easier without having to scrub the roof surface vigorously.
Dried moss is brittle and breaks easily, reducing the risk of damage to the blanket. Finally, smaller moss fragments can be gently brushed away or lightly rinsed with water, but too much pressure should be avoided.
4. Improve roof drying
Many felt roof owners wonder, how to get rid of moss. One of the most effective ways to prevent moss growth is to ensure that the roof is allowed to dry quickly after rainfall. One way to improve roof drying is to prune nearby trees and shrubs, which shade the roof and keep it damp for longer. Like in the article on moss removal is written:
"Trim tree branches that extend over the roof to allow more sunlight to reach the surface, which will help prevent moss growth."
At the same time, check that the gutters and downspouts pull properly to prevent water from standing on the roof surface. When the roof gets more light and airflow, moisture evaporates more quickly and moss does not grow in the right conditions.
5. Keep the roof clean
Regular maintenance is the best way to keep your felt roof in good condition and prevent moss growth. At least in spring and autumn, you should check and clean the roof to remove leaves, needles and other loose debris that trap moisture and create a growing medium for moss. Retrieved from Article from we tell you how to carry out the cleaning:
" The most important thing to remember when cleaning is to use gentle tools that are suitable for the roofing material - for example, a soft brush and water. As felt is a material that is easily damaged, it is best to work with care and caution. "
It is also a good idea to clean the rainwater systems at the same time, so that water can drain away from the roof without obstruction. Regular roof maintenance means that moss and other problems can be detected in time, and the life of your roof will be significantly extended without the need for major repairs.

How much does it cost to remove moss through Kourulle.com?
The cost of moss removal on a roof depends on a number of factors, including the size of the area to be removed, the amount of moss and the methods used. In addition, the complexity of the work, such as steep roofs or hard-to-reach areas, can increase the price. Previously published on Article from we told you what moss removal from felt roofs usually costs:
"The cost of removing moss from a roof usually varies from 1 000 – 3 000 euro between. However, the price may increase depending on the size of the roof, the slope and the amount of moss. Larger or steeper roofs require more work, so the price is often higher. "
For example, the removal of moss from a 220m2 roof cost us around 1500 euros. For more example items see our previous price from our article at.
Sources
Moss removal from roofs price guide 2025
Moss on the roof-Poor tips for removal and prevention
Moss removal from felt roofs: steps, equipment and price 2025