Trimax Gardentop Staircase with Handrail – Anthracite
✅ Premium outdoor staircase with TRIMAX® fibreglass-reinforced treads and galvanised steel structure.
🚚 FREE UK Mainland Standard Delivery — tracked service included.
🛠️ Designed for safe outdoor access between terraces, balconies, patios and garden levels.
At a Glance
Use Type: Outdoor
Structure Material: Hot-dip galvanised steel (EN ISO 1461:2009 compliant)
Tread Material: TRIMAX® fibreglass reinforced plastic
Tread Finish: Anthracite anti-slip surface
Maximum Point Load: 200 kg
Tested Total Load: 700 kg
Number of Treads Available: 3 – 12
Staircase Width Options: 840 mm or 1040 mm
Tread Width Options: 800 mm or 1000 mm
Tread Depth: 220 mm
Tread Thickness: 40 mm
Tread Rise Adjustment: 180 mm – 220 mm
Maximum Floor-to-Floor Height: 2640 mm (2.64 m)
Guarantee: Lifetime Guarantee
Key Benefits
Weather-Resistant Outdoor Design
TRIMAX® composite treads resist moisture, rot and UV exposure, making them ideal for outdoor environments.
Anti-Slip Safety Surface
Textured treads provide secure grip even in wet weather.
Strong Galvanised Steel Structure
Hot-dip galvanised frame protects against corrosion and ensures long-term durability.
Handrail Included as Standard
Supplied with a strong aluminium handrail and galvanised balusters for improved safety.
Flexible Modular Configuration
Available from 3 to 12 treads with adjustable rise, allowing adaptation to many height requirements.
Clean Architectural Appearance
Hidden fixings create a sleek modern finish without exposed screws.
📏 Sizes & Dimensions (All Stair Configurations)
📏 Sizes & Dimensions
| Size - No of Treads | Product Code | Min Floor to Floor Height | Max Floor to Floor Height | Total Going | Tread Depth |
|---|
| 2 Tread | 5068305 | 0.36 m | 0.44 m | 0.44 m | 220 mm |
| 3 Tread | 5068306 | 0.54 m | 0.66 m | 0.66 m | 220 mm |
| 4 Tread | 5068307 | 0.72 m | 0.88 m | 0.88 m | 220 mm |
| 5 Tread | 5068308 | 0.90 m | 1.10 m | 1.10 m | 220 mm |
| 6 Tread | 5068309 | 1.08 m | 1.32 m | 1.32 m | 220 mm |
| 7 Tread | 5068310 | 1.26 m | 1.54 m | 1.57 m | 220 mm |
| 8 Tread | 5068311 | 1.44 m | 1.76 m | 1.76 m | 220 mm |
| 9 Tread | 5068312 | 1.62 m | 1.98 m | 1.98 m | 220 mm |
| 10 Tread | 5068313 | 1.80 m | 2.20 m | 2.20 m | 220 mm |
| 11 Tread | 5068314 | 1.98 m | 2.42 m | 2.42 m | 220 mm |
| 12 Tread | 5068315 | 2.16 m | 2.64 m | 2.64 m | 220 mm |
Choose this staircase if you need a durable outdoor access solution that adapts to different height requirements while maintaining strong weather resistance.
How Does It Compare?
| Feature | Trimax Gardentop Staircase – Anthracite | Basic Outdoor Staircase |
|---|
| Tread Material | ✔ TRIMAX® fibreglass composite | ✘ Timber or plastic |
| Frame Construction | ✔ Hot-dip galvanised steel | ✘ Mild steel / timber |
| Handrail Included | ✔ Yes (up to 6 treads) | ✘ Often optional |
| Slip Resistance | ✔ Anti-slip treads | ✘ Often smooth |
| Height Flexibility | ✔ 3 – 12 treads | ✘ Limited |
| Load Testing | ✔ 700 kg total / 200 kg point | ✘ Often lower |
| Compliance | ✔ EN 1991 & EN 1993 | ✘ Varies |
Compared with basic outdoor stair systems, the Trimax Gardentop staircase offers superior durability, better slip resistance and a more refined architectural finish.
Full Product Overview
The Trimax Gardentop Staircase with Handrail – Anthracite is designed to provide safe and stylish access between different levels of an outdoor environment. Whether connecting a raised patio to a garden, linking a balcony to ground level, or providing access from decking to lawn, this modular staircase offers both practicality and visual appeal.
Its TRIMAX® fibreglass-reinforced treads deliver excellent weather resistance and anti-slip performance, while the galvanised steel structure ensures long-term structural durability in outdoor conditions. The sleek anthracite finish complements modern landscaping and contemporary architecture.
With modular tread options ranging from 3 to 12 steps and adjustable rise between 18 cm and 22 cm, the Gardentop system can be configured to suit a wide variety of outdoor height requirements.
Safety & Build Details
TRIMAX® fibreglass reinforced composite treads resist rot, moisture and UV exposure.
Hot-dip galvanised steel frame for corrosion resistance.
Anti-slip tread surface designed for safe use in wet conditions.
Tested to 200 kg point load and 700 kg total load capacity.
Complies with EN 1991 and EN 1993 structural standards.
Handrail included for improved stability and support.
Final Verdict
If you need a robust and stylish outdoor staircase solution, the Trimax Gardentop Staircase with Handrail – Anthracite offers exceptional durability, weather resistance and modern design. With flexible tread configurations, premium composite materials and certified structural performance, it provides a dependable outdoor access solution backed by a Lifetime Guarantee.
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