| Customization: | Available |
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| After-sales Service: | Online Technical Support |
| Warranty: | More Than Three Years |
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What is Composite Drainage Board?
A Composite Drainage Board is a type of drainage system used in construction and civil engineering projects. It is typically made up of multiple layers of materials designed to efficiently manage water runoff and prevent waterlogging in various applications, such as green roofs, retaining walls, underground structures, and landscaping projects. The typical components of a composite drainage board may include: 1.Geotextile Fabric: This is a permeable textile material that allows water to pass through while preventing soil or other particles from clogging the drainage system. The geotextile fabric acts as a filter to ensure proper water flow. 2.Drainage Core: This layer is usually made of a plastic material, such as high-density polyethylene (HDPE), and features a network of dimples or studs to create channels for water to flow through. The drainage core provides structural support and helps to distribute the weight of the overlying materials. 3.Protection Layer: Sometimes, a protective layer such as a non-woven geotextile fabric or a geocomposite is added on top of the drainage core to shield it from damage during installation and to provide additional filtration. Composite drainage boards offer several advantages, including improved drainage efficiency, reduced soil erosion, enhanced stability of structures, and better management of water runoff. They are often used in conjunction with other drainage systems, such as perforated pipes, to create comprehensive water management solutions for various construction projects. |
| Item | Composite Drainage Net | Composite Drainage Board | ||||
| TRA252 | TRA250 | TRB254 | TRB256 | |||
| Composite Material | Mass Per Unit(g/gsm) | ≥1400 | ≥1200 | ≥1600 | ≥1800 | |
| Thickness(mm) | ≥7.0 | ≥6.0 | ≥8.0 | ≥8.0 | ||
| Tensile Strength(KN/m) | MD | ≥18.0 | ≥16.0 | ≥18.0 | ≥18.0 | |
| CD | ≥10.0 | |||||
| Hydraulic Conductivity(m2/s) | ≥1.2*10-3 | |||||
| Peel Strength(KN/M) | Mesh Core and Geotextile | ≥0.25 | ||||
| Mesh Core and Composite Geomembrane | - | ≥0.3 | ||||
| Mesh Core | Thickness(mm) | ≥5.0 | ||||
| Tensile Strength at Longitudinal and Transverse(KN/M) | ≥15.0 | |||||
| Geotextile | Mass Per Unit(g/gsm) | ≥200 | ||||
| Tensile Strength at Longitudinal (KN/M) | ≥6.0 | |||||
| Permeability Coefficient(cm/s) | ≥0.3 | |||||
| Composite Geomembrane | Mass Per Unit(g/gsm) | - | ≥400 | ≥600 | ||
| Tensile Strength at Longitudinal (KN/M) | ≥4.0 | |||||
| Resistant to Hydrostatic Pressure(MPa) | - | ≥0.10 | ≥0.20 | |||
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