Polymer cement waterproofing paint, abbreviated as JS waterproofing paint, where 'J' stands for polymer and 'S' for cement, thus JS refers to polymer cement waterproofing paint.

Polymer cement waterproofing paint is a two-component, water-based building waterproofing material composed of inorganic fillers such as cement, quartz sand, light and heavy calcium carbonate, and various additives, which are compounded through reasonable proportions. In construction projects, JS composite waterproofing paint and cement polymer waterproofing paint are the same material.