一、工程方面的防水主要是指防明水，可以看得见的流水。少量是为了保护建筑物免受水汽，水分的侵蚀而做的防水。这方面的材料主要有卷材，聚氨酯等等。施工要求高，工艺复杂。
1. Waterproofing in engineering mainly refers to water-proof, visible running water. A small amount is waterproof to protect buildings from water vapor and water erosion. The main materials in this field are coil, polyurethane and so on. The construction requirement is high and the technology is complex.
二、家装方面的防水是指和家庭生活相关的防水常识、防水材料和防水技术的统称。包括但不限于屋面、卫生间、阳台、外墙、厨房、地下室、游泳池的防水等位置的防水防潮处理。这个细分领域正在初步成型，施工要求相对较低，大众化，实用。
2. Waterproofing in home decoration refers to the general term of waterproofing knowledge, waterproofing materials and waterproofing technology related to family life. It includes, but is not limited to, waterproof and moisture-proof treatment of roof, bathroom, balcony, exterior wall, kitchen, basement, swimming pool, etc. This subdivision area is being initially formed, with relatively low construction requirements, popularization and practicality.