Global Leader in Soil Improvement and Soil Consolidation | DAEHAN i.m.

Since its founding in 1987, DAEHAN i.m. has been at the forefront of geosynthetic innovation and soil engineering — offering comprehensive solutions for soil improvement and soil consolidation worldwide.

With decades of experience, cutting-edge R&D, and a commitment to quality and reliability, DAEHAN i.m. supports major infrastructure, land development, and environmental projects — helping clients build stable, sustainable foundations on soft or problematic ground.

Why DAEHAN i.m. for Soil Improvement and Soil Consolidation?

• Proven track record since 1987: Over 30 years of manufacturing and supplying geosynthetics tailored for soft ground consolidation and soil stabilization.
• Global leader in PVD/PHD supply: DAEHAN i.m. is acknowledged as the top manufacturer of prefabricated vertical drains (PVDs) and horizontal drains (PHDs), having supplied to major global infrastructure projects across 30+ countries.
• World’s largest production capacity + stable supply chain: Thanks to highly automated production lines and rigorous quality control, DAEHAN ensures timely delivery and consistent performance in large-scale soil improvement works.
• Strong R&D and quality assurance: The in-house technical research institute and testing laboratory conduct extensive geosynthetic testing — including global standards (ASTM, ISO) — to guarantee reliability in drainage, filtration, strength, and long-term performance.

DAEHAN i.m. Soil Improvement and Consolidation Solutions

DAEHAN i.m. offers a broad portfolio of products and systems for efficient soil consolidation and improvement, tailored to varied geotechnical needs.

Prefabricated Vertical Drains (PVDs) & Eco-Friendly Option

Products like Verti-Drain® and Bio Verti-Drain® are engineered to accelerate pore-water drainage and consolidation in soft soils. The Bio Verti-Drain® adds environmental value by biodegrading into water and CO₂ after consolidation — leaving no plastic residues behind.

Horizontal Drainage & Drainage Mats

Using products such as Hori-Drain® (prefabricated horizontal drain) or geotextile mats (e.g. Geos Mat), DAEHAN provides efficient horizontal drainage layers to replace conventional sand or gravel drainage systems. This significantly improves consolidation speed and drainage reliability.

Geosynthetic Reinforcement & Soil Stabilization Materials

Products like Geos Mat reinforce weak soils, separate soil layers, and enhance stability of embankments, roads, and foundations — offering effective soil improvement where traditional methods fall short.

Key Benefits of Choosing DAEHAN i.m.

• Accelerated consolidation and project speed — Efficient vertical and horizontal drainage reduces settlement time significantly.
• Cost-effective soil improvement — Prefabricated geosynthetic solutions often offer savings over traditional aggregate-based methods.
• Environmentally conscious options — The biodegradable vertical drain (Bio Verti-Drain®) is ideal for eco-sensitive or green-building projects.
• Reliable performance & quality assurance — Rigorous testing and decades of experience guarantee stable, long-lasting results.
• Versatility across projects — Suitable for infrastructure (roads, railways, airports, and ports), land reclamation, slope stabilization, retaining walls, and general drainage or soil stabilization needs.

If you are looking for an advanced solution for soft ground improvement, you can find them at DAEHAN i.m.

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