# 🏠 How effective is Zinc Armor at preventing moss growth on roofs?

*Published: 2024-05-20 | Updated: 2024-10-05 | Source: https://shopsavvy.com/answers/how-effective-is-zinc-armor-at-preventing-moss-growth-on-roofs*

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## Product: Zinc Armor 3" Zinc Strip
**Brand:** Roto Metals

Zinc Armor is a 3-inch wide zinc strip that's often used to help control moss growth on roofs, but how well it works can vary. These strips are designed to release zinc particles when it rains, which can inhibit moss growth over time. But don't expect a complete moss-free roof without some additional work.

According to the manufacturer's description, each strip can cover around 50 feet and is straightforward to install. Our research shows mixed results in terms of effectiveness. Some folks noticed a big reduction in moss growth, while others felt it was less impressive. One person mentioned that moss wasn't entirely stopped but grew less aggressively. Another shared that the difference between treated and untreated areas was like night and day.

Proper installation is crucial for getting the best results. It's important to install it without damaging your roof. Several people recommend using adhesive instead of nails to avoid harming the shingles. Our research indicates that the strip is most effective within the first few feet underneath it, typically around 12 inches from where it's installed.

Now, if you've got existing moss, Zinc Armor won't get rid of it on its own. It's better at preventing new growth, so you might need to clean or treat existing moss separately. This makes Zinc Armor ideal as a part of a broader moss control plan, helping to extend the time between more intensive roof cleanings.

Remember, how well it works can also depend on factors like your roof's exposure to rain and shade. Regular maintenance might still be needed, but Zinc Armor can help reduce frequent cleanings. 

It could be worth combining it with other methods, like moss treatments or trying different strip placements, for better results. Keep in mind that what works best can depend on your specific roofing situation.

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*Where this comes from: This answer is based on ShopSavvy's product database, real-time pricing from thousands of retailers, and analysis of user reviews to give you a well-rounded picture.*