The business TRONER is located in Building 33, C. de Gonzalo de Berceo Street, Madrid City. This company specializes in waterproofing work with over 35 years of experience. The staff at TRONER seem to be very professional, knowledgeable, and dedicated to their work. They provide free and non-committal budgets, financing and facilities to property owners' communities, and a 10-year guarantee for their work.Many clients have praised the quality of work done by TRONER, saying it is "excellent", "perfect", and "impeccable". The staff are described as "diligent", "hardworking", "respectful", and "kind". They are also praised for being transparent with prices, providing detailed explanations of the work, and offering good value for money.TRONER's responsiveness to clients' needs is also highlighted, with one client mentioning that they were "very prompt" and "efficient" in their work. The company's commitment to quality is demonstrated by their use of a waterproofing system without welds or joints, which is considered a significant advantage.One of the few potential drawbacks mentioned by clients is the need to book the service in advance, as TRONER is a very popular and in-demand company. However, this is not seen as a major issue, as many clients are willing to wait for the service, given the quality and reliability of TRONER's work.Overall, TRONER seems to be a well-established and reputable business that delivers high-quality work and provides excellent customer service. While it may be difficult to get an appointment, the end result is well worth the wait.