Seal-Once™ Marine Concrete Masonry Sealer
Category: Coatings - mineral surfaces
Description:

warine waterproofing concrete and masonry protector formulated for interior/exterior use on properly prepared concrete and masonry surfaces, including green concrete

Typical Use:

Docks, Piers, Retaining Walls, Curbs, Walkways, Driveways, Steps, Slate, Loading Docks, Platforms, Ramps, Tile (unglazed) Floors, Parking Decks, Brick, Stucco, Limestone, and Gravestones

Apparent use of Nanotechnology: polymer nanoparticles
Reason for Inclusion:

"Applying his extensive knowledge of chemistry, Mike created a unique polymer using nanoparticles that had the ability to easily penetrate the wood, creating a clear flexible film that was not only waterproof from the surface, but also breathable and impervious to salts and chlorides."  The company home page also references "unique polymer nanoparticles" used for their Seal-Once brand.