A Capillary Drain Plate is just a handy plastic panel. Folks put it right under dirt, grass, hard paving, or roof garden layers.
The bumpy cups build a tiny space underneath your plants. This lets heavy rain simply wash away. Meanwhile, some water safely stays behind for thirsty roots.
It works perfectly for roof garden drainage and park greening. You also see it on garden slope drainage, reservoir sides, and big landscape areas.
The board is super light and a breeze to lay down. Just add some filter fabric to completely stop messy mud clogs.
For outdoor drainage board projects, check the panel height, strength, and water storage room. Also, check the sheet size, overlap style, and that tough HDPE material drainage quality.
A plastic capillary drainage board must keep a clear water path under heavy dirt.
CHANGFENG easily supplies custom sizes, colors, heights, and neat packing. We happily offer OEM/ODM support for greening suppliers, landscape contractors, and busy material distributors.
1. Capillary Drainage Structure
The board creates a water movement space below soil and planting layers for roof garden drainage and outdoor landscape use.
2. HDPE Material Drainage
HDPE material drainage offers lightweight handling, water resistance, and practical durability for greening projects.
3. Garden and Slope Applications
It supports garden outdoor drainage board systems, garden slope drainage board work, and planted landscape surfaces.
4. Filter Fabric Compatibility
The board can be used with geotextile filter fabric to reduce soil clogging and protect drainage paths.
5. Custom Project Supply
Panel size, sheet height, thickness, color, and packing can be customized.
6. B2B Packing Support
Labels, pallets, loading photos, and OEM/ODM documents can be prepared for project buyers.
7. Project Supply Support
Panel size, height, thickness, color, packing labels, pallet plan, testing documents, and OEM/ODM support can be arranged for drainage board project orders.
| Parameter | Unit | Reference | Specification Range |
|---|---|---|---|
| Product Name | / | / | Capillary Drain Plate |
| Material | / | Project-based | HDPE / recycled plastic optional |
| Main Function | / | / | Water storage, capillary drainage, root-zone ventilation |
| Application | / | / | Roof garden, outdoor landscape, slope greening, park reservoir, drainage layer |
| Size / Roll / Panel | / | Custom order | Panel size customized by project |
| Thickness / Weight | / | Custom order | Sheet height and thickness selected by load |
| Color | / | Custom order | Black, green, or customized |
| Surface / Structure | / | Project-based | Raised cup / drainage cell / capillary channel |
| Packing | / | / | Bundles, pallets, or project packing |
| OEM/ODM | / | / | Available |
| Origin | / | / | Shandong, China |
1. Roof Garden Drainage
Roof garden drainage needs a layer that moves excess water away without adding heavy aggregate. Capillary Drain Plate creates a drainage space under soil and helps reduce waterlogging around plant roots.
2.Garden Slope Greening
On planted slopes, the board helps guide water downward while supporting a cleaner soil profile. It is useful for garden slope drainage board projects where rainfall may collect behind soil or turf.
3.Underground Garage Roofs
Above garage slabs, the board can be placed below soil and filter fabric to protect waterproof layers and guide water toward outlets.
4.Park Reservoir and Dam Landscaping
Landscape zones around reservoirs, dams, and parks need steady water movement. A highly water-resistant plastic drainage layer can reduce ponding near planted surfaces.
5.Outdoor Drainage Board Systems
For modern design drainage board applications, panels can be cut and connected around corners, planters, walkways, and green infrastructure areas.
CHANGFENG checks Capillary Drain Plate by raw material, sheet shape, cup height, drainage channel condition, panel size, compressive response, surface appearance, and packing condition.
Project orders can include sample confirmation, package labels, loading photos, and batch information. If the buyer needs a compressive strength test, flow check, or special thickness tolerance, the requested items should be confirmed before production.
Capillary Drain Plate panels are usually stacked in bundles or packed on pallets. Package labels can show product name, panel size, quantity, color, batch number, and order information.
Q1: What is a Capillary Drain Plate used for?
A: We lay it under dirt, grass, paths, or green roofs. It stores rain while keeping clear room for water to move.
Q2: Is it suitable for roof garden drainage?
A: Yes. It is a great roof garden drainage layer. Just add a safe waterproof seal, filter fabric, deep dirt, and clear drains.
Q3: What material is commonly used?
A: An HDPE material drainage board is popular. It is super light, water-safe, and perfect for outdoor drainage board jobs.
Q4: Can the panel size be customized?
A: Yes. You can change the panel size, height, thickness, and color. We arrange custom packing for your exact project.
Q5: Does it need geotextile fabric?
A: Yes. A soft filter fabric goes right on top. It stops mud from plugging holes, so the drainage channel stays open.
Q6: What information is needed for quotation?
A: Please share the panel size, height, thickness, and total amount. Also include your job type, destination port, and testing rules.
Q7: Can it be used on garden slopes?
A: Yes! It easily supports garden slope drainage board systems. Just install it with proper dirt, a filter fabric, and smart water exits.

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