4Pcs Adjustable Decking Support Pedestal Set – Stem Risers
4Pcs Adjustable Decking Support Pedestal Set – Stem Risers
4-Piece Height Adjustable Decking Support Pedestal Set
Transform your outdoor terrace, patio, or balcony with this professional-grade set of 4 height-adjustable decking support pedestals. Engineered to eliminate slope differences and create a perfectly level surface, these stem risers make deck installation fast, clean, and hassle-free — no specialist tools required.
Key Features
- Height Adjustable Design: Twist-adjust each pedestal to your required height, accommodating surface variations with ease. Available in multiple style options (ST1–ST8) to suit a wide range of deck thicknesses and heights.
- Seamless Floor Layer: Creates a smooth, level deck surface without the need for protective aluminium or extra insulation work, saving time and installation effort.
- Continuous Drainage System: Open joint openings built into each pedestal promote constant water flow, preventing pooling and keeping your deck dry.
- Heavy-Duty Weight Capacity: Manufactured from durable plastic, each pedestal supports up to 500 kg — providing outstanding structural support and long-term stability for your decking boards.
- Quick & Easy Installation: Simply twist to adjust the height, position under your decking board, and secure. Level results every time with minimal effort.
Specifications
| Material | Durable Plastic |
| Color | Black |
| Number of Pieces | 4 |
| Weight Capacity | 500 kg per pedestal |
| Top Diameter | 100 mm (all styles) |
| Bottom Diameter | 120 mm (all styles) |
| ST1, ST2, ST3 – Adjustable Height | 22–40 mm / 0.87–1.57 inch | Waist: 65 mm |
| ST4, ST5 – Adjustable Height | 35–50 mm / 1.38–1.97 inch | Waist: 65 mm |
| ST7, ST8 – Adjustable Height | 47–115 mm / 1.85–4.53 inch | Waist: 65/75 mm |
| Country of Origin | Made in China |
Package Contents
- 4 × Adjustable Decking Support Pedestal
Please Note
- Actual color may vary slightly from on-screen images due to monitor settings and ambient lighting.
- Please allow minor measurement tolerances (±1–2 mm) for all stated dimensions.
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Frequently Asked Questions
Q: What decking board types are compatible with these adjustable pedestals?
A: These adjustable decking support pedestals are compatible with most standard decking boards, including composite, timber, and stone tiles. The 100 mm top diameter and multiple style options (ST1–ST8) make them versatile enough for a wide range of deck materials and thicknesses.
Q: How do I choose the right pedestal style (ST1–ST8) for my project?
A: Choose based on the height adjustment range you need. ST1, ST2, and ST3 offer 22–40 mm adjustment; ST4 and ST5 offer 35–50 mm; and ST7 and ST8 provide a wider 47–115 mm range, ideal for larger slope differences or thicker substructures. Measure your slope differential before ordering.
Q: Can these pedestals be used in wet or rainy outdoor environments?
A: Yes. The pedestals are made from durable plastic designed for outdoor use. Their built-in open joint openings create a continuous drainage system that channels water away from the deck surface, helping to prevent water pooling even in rainy conditions.
Q: How much weight can each pedestal support?
A: Each adjustable decking pedestal has a maximum weight capacity of 500 kg, making them suitable for heavy decking materials and high-traffic outdoor areas such as terraces, rooftops, and patios.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.