Does Having A Metal Roof Ensure Moss Will Not Grow On Your Roof?

Does Having A Metal Roof Ensure Moss Will Not Grow On Your Roof?

Technology advancements have done great for human life in every aspect. We cannot ignore the services of the 21st century in roofing technology as well, which are the best alternatives to the mud and brick era.

The best advancement in roofing technology is metal roofing, a strong and durable roof. Its feature of durability and sleek modern houses are worth mentioning. It also protects the house from the moss, which damages the roofs completely.

 Many people wonder to get the best roofing technology to protect the houses from mosses. The roof is the only defensive line to houses, and metal roofing is the priority of roofing experts. Now the question is, ‘does having a metal roof ensure that moss will not grow on your roof?’ let’s discuss it deeply. If it does, then what are the reasons and precautions to avoid the moss?

Does moss grow on a metal roof?

Before knowing the answer, it is necessary to understand how moss grows? In the beginning, mosses are like mobile spores that change their position via birds and air and stick to organic matter, mostly available in if the roof contains organic matter and dampness, the moss will probably grow. Now let’s deal. Does it grow on metal surfaces?

Metal roofing is the most reliable way to avoid mosses on roofs. It does not provide a base for moss growth. That’s why it does not grow, but many house owners claim that they are uncertain that weather metal roofing repels mosses’ growth rate or not. That uncertainty is caused by different metal usage, and some slightly propagate the moss growth. As there are two commonly used metals;

  • Zinc metal is widely accepted, and the results are impressive. It does not allow moss growth and pushes down organic growth also. If you search for the best metal roofing, zinc metal roofing should be your priority. Yet it is expensive, but the house owner shouldn’t risk the house’s shield for money. We recommend you check the credibility first while buying a metal roofing shield.
  • Steel metal is very common in European countries, and the results are far more credible than shingle roofing, which is why it is a good option. It is repulsive to moss growth and does not provide the anchor for organic growth. But it slightly ensures the moss growth than zinc metal roofing. It can be a good choice, but it is expensive too, and mostly house owners ignore this aspect of metal roofing while buying.

Why does moss grow on a metal roof?

Metal roofing is the most reliable option for moss repulsion, yet it grows on it. There might be other reasons that have nothing to do with its material. You must be curious to know the reasons and precautions to avoid its growth in the future. So let’s head towards them!

  • Moisture and dampness; 

If the roof is shielded with metal, but still it is the place for metal growth, the reason could be the dampness and rainwater in corners and slopes. We recommend removing the water and cleaning the roof surface from miniaturization as it is the base for moss and mold growth. Please do it right now to protect your roof.

  • Leaves and debris;

Another reason for moss growth in the metal roof can be the leaves and debris that winds and trees might gather unknowingly; if your roof is full of leaves and debris, which probably stores water in it and ultimately becomes the place for moss growth.

What are the precautions to avoid moss growth on metal roofing?

Suppose your roof has found signs of moss growth and wants to protect it from future damage. Don’t be sad. We have found ways to avoid the moss growth;

  • Debris and leaves cleaning;

The roof is found with moss growth, and you have diagnosed the reason? The next step is to cure the problem. One effective way is debris and gutter cleaning. Clean your roof well from leaves and debris. It may get moisture, which is the anchor for moss growth. 

  • Gutter cleaning;

Gutters are v-shaped and are meant to protect your house from water damage. This May also store water to clean it to avoid the moss growth.


Metal roofing is an effective technological advancement to protect the roof from moss and mold growth. But if moss still slightly grows on your metal roof, diagnose it first and follow the strategies mentioned earlier to avoid it. We hope so; this article will work for you!


Residential Roofer Foreman with 20 years of experience. A roof is the protective barrier between your house and the outside world. You want to make sure it's properly cared for to prevent leaks and other problems. I lead my crew in constructing new roofs and providing roof repairs. We're here to help whether your problem is leaky roofs or contaminated roofs. Let us repair your roof to prevent leaks and other costly problems.