Concrete drilling that is clean, safe, and secure with the power of water.
WJ (Water Jet) drilling is a method of drilling concrete using high-pressure water, unlike drilling with a diamond core drill. It does not generate dust like traditional drilling, and since the working water is vacuumed up simultaneously with the drilling, it allows for very clean work. Drilling is done without damaging the rebar or cables inside the structure. For more details, please contact us or refer to our catalog. We also accept inquiries regarding removal and polishing using WJ.
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basic information
【Features】 ○ Construction without damaging rebar and other materials → By using water for drilling, it can be done without harming the rebar or cables inside the structure. ○ No dust generation → Powered by water, ensuring a clean construction with complete recovery. ○ Low noise → Does not generate loud noise at night. ○ Ultra-high pressure water jetting system → Ultra-high pressure water jetting and suction of debris and working water. ● For more details, please contact us or refer to the catalog.
Price information
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Delivery Time
Applications/Examples of results
- Drilling of concrete structures - Surface grinding of concrete structures - Erasure of road and parking lot markings ~ For more details, please contact us or refer to the catalog ~
Company information
Sun Road is the Path to the Sun A road that shines brightly and warmly, always the most positive and cheerful path, started in 1978 with such a wish. From traffic safety facilities to slope protection work and building civil structure repair and reinforcement, people around the world are realizing the neglect of material civilization and are trying to return to spiritual civilization. In such times, we aspire to preserve our valuable construction structures without destruction, using environmentally friendly methods for repair and reinforcement, and we are continuously honing our skills and conducting research and development. Focusing on the Hozen method (bridge reinforcement method), we established the Japan Construction Preservation Association in 1999 and are expanding nationwide. Our management philosophy is to help create a better environment to protect the Earth, and we aim to contribute, even in a small way, to the progress and improvement of humanity by working well, thinking well, and studying well, while fostering people and building a company.
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