Make your concrete surface repel water with FORTRESS NANO SEAL. A new generation multi-functional water-based sealer that combines silane, siloxane and synthetic polymers to penetrate and chemically bond deep within the surface to provide a long-lasting protection against humidity, moisture and positive water intrusion on the surface. 

Nano seal allows surface to breathe and is not a film forming sealer. Ideal for concrete and other masonry surface, nano seal resists common issues such as cracking, efflorescence, spalling, staining and other issues cause by water damages. Easy to apply and leaves no gloss and shine to the surface.