Drainage board


Plastic drainage board

Plastic drainage boards, also known as plastic drainage strips, come in various shapes, including wavy and accordion-like designs. At their core is an extruded plastic core board, which serves as the structural backbone and primary drainage channel. This core features a parallel cross-sectional design, with both sides wrapped in non-woven geotextiles that act as filtration layers. The core provides essential support while simultaneously directing water absorbed by the filter layers upward and out of the system. As a result, these drainage strips offer an ideal vertical pathway for effective drainage consolidation in saturated cohesive soils such as silts, clayey soils, and fill materials—significantly reducing the time required for soft soil stabilization and consolidation.

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Drainage and Retention Board

The drainage and storage board features a professional mechanical design, with uniformly thick walls on its protruding structures and integrated reinforcing ribs, ensuring high compressive strength while maintaining excellent flexibility. It resists degradation, drains water effectively, and remains stable over time. After being installed via hot-melt welding, the board exhibits uniform resistance to plant punctures, as well as outstanding chemical resistance—specifically to acids and alkalis—and exceptional aging performance. This creates a robust, flexible protective barrier that seamlessly integrates with building waterproofing systems, keeping the waterproof layer securely enclosed in a controlled environment and significantly reducing the risk of premature aging. As a result, the service life of the waterproofing system is dramatically extended.

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Capillary drainage pipe

A capillary drainage pipe is a device that leverages capillary action to achieve directional water removal. Typically made from porous materials such as high-density polyethylene (HDPE) or ceramic, its inner walls are densely packed with micrometer-scale pores, creating intricate capillary channels. The mechanism relies on the interplay between liquid surface tension and the adhesive force of the pipe walls, enabling moisture to be actively drawn from high-humidity areas toward lower-humidity ends—without the need for external power. Key performance advantages include highly efficient drainage and resistance to clogging.

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Capillary Drainage Board

Capillary drainage boards are three-dimensional drainage materials made from polymers (HDPE/PP), featuring a dense network of capillary water channels on their surface and reinforced with internal support columns and water-conducting pathways. They are specifically designed for applications such as building basements, tunnel linings, and rooftop greenery projects, efficiently removing accumulated water via capillary action to prevent leakage and reduce hydrostatic pressure on structures.

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Anti-crystallization blind pipe

Blind drains are highly efficient drainage materials made from high-density polyethylene (HDPE) or polypropylene (PP). Featuring corrugated pipe walls with uniformly distributed perforations, they are encased in a non-woven geotextile filter layer. Widely used in road construction, tunnel projects, slope stabilization, and landscaping, blind drains effectively manage groundwater through infiltration and drainage, preventing water accumulation that could lead to structural damage due to seepage pressure—and ultimately ensuring the safety and integrity of engineering projects.

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