Decking Pedestals 20-30mm Adjustable Risers
£ 3.29
Ideal for ultra-low-height decks or finishing edges, the 20–30mm Adjustable Pedestals are a smart, space-saving solution for achieving a level decking base. These compact risers work seamlessly under wood, composite, or plastic joists and offer one-handed height adjustment for quick fitting.
Despite their size, they’re built to last, lightweight, sturdy, and perfectly suited to balcony projects or tight urban spaces. They help keep your composite decking raised, ventilated, and cable-ready without the bulk.
Key Benefits To 20-30mm Decking Risers
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Perfect for Projects With Minimal Height Clearance
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Keeps Cables Tucked Away & Protected
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Lightweight, High-Strength Design
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Fast Installation Even In Tight Areas
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Material
Recycled Polypropylene
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Colour
Black
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Adjustable Height
Min: 20 mm / Max 30 mm
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Basis Diameter
208 mm / Bearing Contact Area: 300 cm²
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Support Surface Diameter
120 mm / Bearing Contact Area: 100 cm²
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Vertical Lug Height
25 mm
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Weight
154 g
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Resistance To Temperature From
-30°C to +60°C
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Resistance Too
UV and Frost Resistant
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Warranty
10 Years
Expert Advice & Details for 20-30mm Decking Risers
Want to know more? Our in-house expert, Allan, gives his take on our 20-30mm Decking Riser, and we’ve selected some of our best guides to help you decide if this is the right choice for you.
A Word from Our Expert, Allan:
“These low-profile risers are a game-changer for projects on hard, uneven surfaces like patios or balconies, especially when you have minimal height to work with.
Their key advantage is the simple adjustment mechanism. It allows you to precisely level your subframe with one hand, which makes the entire installation process quicker and far more accurate, particularly in those tight, hard-to-reach areas.”
As Seen In
Delivery Information
| Delivery Type | How Long? | Delivery Cost |
|---|---|---|
| Urgent | Estimated 4-7 Days | £149.99 |
| Normal | Estimated 8 to16 working days* | £79.99 |
| Royal Mail Standard (Small Parcels) | 3–5 Working Days | £8.00 |
| Royal Mail Standard (Large Parcels) | 3–5 Working Days | £29.95 |
| Collection | Collection from our warehouse | FREE |
| Sample Packs | 3–5 Working Days | FREE |
