Single-component moisture-curing pure polyurethane waterproof coating is a kind of liquid polymer waterproof material, suitable for dry and wet base surface construction, solidified into tough and elastic, non-toxic and tasteless waterproof film after coating. It is a new type of environmental friendly waterproof material without solvent. Note: 1).the storage place should be dry, aerating and avoid water. 2).it is forbidden to contact fire because the easy is easy to burn. 3).stir the paint home y before application if Group II Materials is found to be of some precipitate. 4).the finished paint waterproof layer should be protected well to avoid damage before the application of protection layer. In case the paint layer is found to be damaged, cut down around the place to repair with paint