When metal get wet or stay in air too long, it start to rust easy. This make metal become weak and sometimes break apart. To stop this thing, lots people use anti-rust coatings. These Floor Coating make barrier so moisture and air cannot touch metal.
Benefits
Also many forget check weather before apply. If too cold or wet, Epoxy Resin - Inorganic Zinc - Rich Coating not dry proper. This make bubble or peel, so metal still expose to rust. In addition some think one coat enough, but usually need multiple coat for best protection.