C2 Guard is designed for use on unsealed concrete and masonry surfaces. C2 Guard absorbs deeply into the surface, forming a flexible polymer barrier and becoming part of the masonry’s structure. This enhanced structure resists water penetration, helping to prevent corrosion, spalling, and cracks, while at the same time reducing the effect
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Great experience,
Arlene was clear, responsive, available al the times, and cordial throughout our various contacts, which is rare to find these days. thank you
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Glauber · May 12, 2026
It started raining before the C2 guard had had a chance to fully cure so I was worried but the rain beaded up and rolled around on top of my bricks anyway! The other photo is a different part of the brick that hadn’t gotten C2’d yet. You can see how the water just gets absorbed into the brick without C2 guard. I decided to apply it to my entire brick wall next! Really hoping to not have to clean it again for a long time!!
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Dania · August 7, 2025
Just applied it so it will take some time to assess how well it works