138×23mm Solid Outdoor WPC Decking Board GD-008
- Model: GD-008
- Size: 138×23mm
- Weight: 4.02 kg/m
- Profile: Solid structure, single color, wood grain both faces or one side flat and one side wood grain
- Length: 2.2 m / 2.9 m / 3.6 m, custom lengths available
- Colours: 8 standard colors · custom color matching from 200m²
- Certifications: CE / ISO 9001 / SGS / FSC
Product Description
MacroTech 138×23mm Solid Composite Decking Board GD-008 is made for outdoor decking projects where a heavier, more stable board is preferred over a lightweight hollow profile. Its solid structure gives the board a firm underfoot feel and better suitability for high-use spaces such as commercial terraces, public walkways, hospitality areas, garden platforms, and poolside decks. With a 138mm width and 23mm thickness, GD-008 offers a balanced board size that is easy to apply across both residential and commercial decking layouts.
Made from wood-plastic composite material, GD-008 helps reduce common timber decking issues such as moisture absorption, cracking, splintering, warping, and repeated maintenance. Its solid profile also gives the board a stronger perceived quality for showroom display, contractor recommendation, and distributor sales. For wholesale and project supply, GD-008 works well as a dependable solid decking SKU that balances durability, visual adaptability, and practical commercial use.
More About GD-008
- Technical Specifications
- Installation Data
- Ordering
| Property | Value |
| Board dimensions | 138×23mm |
| Service temperature | -60 °C to +60 °C |
| Weight | 4.02 kg/m |
| Composition | 60% wood flour + 30% HDPE + 10% additives |
| Slip resistance | R10 (DIN EN 16165), report supplied with quotation |
| Linear thermal expansion | 0.15% (-65 °C to +65 °C) |
| Compliance standard | GB/T 24508-2020, EN 15534 |
| Warranty | 15 years |
| Property | Value |
| Joist spacing | 300 mm centres |
| Board-to-board gap | 6 mm |
| Joist-to-wall clearance | 30 mm |
| Screw pitch on joist | 500 mm |
| Drainage slope | < 1% |
| Fastener | 7.8 mm steel clip / 6 mm plastic clip |
| Property | Value |
| MOQ | 100 m2 |
| Lead time | 15 days |
| Custom colour | from 200 m2 |
| Trade terms | FOB / CIF, Tianjin Port |
| Traceability | Sample tag and production code on every pallet |
Features

Built for Heavier-Duty Decking Projects
GD-008 uses a solid composite core instead of a hollow structure, giving the board a firmer underfoot feel and better suitability for high-use outdoor areas. If your customers need decking for commercial terraces, public walkways, poolside areas, or hospitality projects, this profile offers a stronger and more substantial option.
Stable Surface for Large-Area Installation
With a 138mm width and 23mm thickness, GD-008 provides a balanced board size that works well across residential, commercial, and landscape decking layouts. The profile helps you offer a product that is easy to position for contractors who need a stable walking surface without moving into oversized or difficult-to-install boards.


Reduce Common Timber Decking Problems
Made from wood-plastic composite material, GD-008 helps reduce issues often seen with outdoor timber decking, including moisture absorption, cracking, splintering, and warping. For distributors and project buyers, this means a more practical decking option for local stock, contractor recommendation, and long-term outdoor use.
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