The so-called waterproofing roof is the building structure upper structure, plays a protective and insulation, heat insulation effect, roof leakage, waterproof layer durable fixed number of year is the engineering quality short is a relatively serious problem, people's production and life to bring a lot of inconvenience and unnecessary economic loss. Analyzes the current problems existing in the roof waterproof, aimed at the problems, probes into the construction technology and the roof waterproof construction quality security measures.