Composite Deck Stair Railing
Width: 80mm – 150mm
Thickness: 30mm – 60mm
Standard Length: 1.8m / 2.2m / 2.9m
Colors: Ash Grey, Cedar, Coffee, Copper Brown, Dark Grey, Grey, Ivory, Mocha, Sandal Wood, Stone Grey, Teak, Walnut, Wood or Customized
Surface: Embossing/Brushed/sanding/Wood Grain
Applied Range: Decking of residential area, villa garden and private yard
Certificate: ISO,FSC, CE, SGS, ROHS,REACH, INTERTEK, ASTM
Installation: Joist and clips
Packaging: PE film and wood pallet & panel to package
Service life: 10-25 years, Dimensional Stability
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Composite Deck Stair Railing – Safe & Stable Railing System for Outdoor Stairs
Our Composite Deck Stair Railing brings you enterprise-level quality from EVERDUR's 50+ production lines and 1,500+ containers annual capacity. Engineered with second-generation co-extrusion WPC technology, this railing system delivers exceptional durability and weather resistance. We've served 225+ global clients across 60+ countries, backed by 16 years of manufacturing expertise. Your stair system deserves the strength of reinforced composite construction, combined with natural wood-like aesthetics that last 10-25 years with minimal maintenance.








Why Safety Meets Style in Stair Railing Design
Your outdoor stairs face constant challenges. Rain, snow, UV rays, and temperature swings can quickly damage traditional materials. That's where composite solutions shine.
Our product uses high-performance wood-plastic composite materials. You get the warm appearance of natural wood without the hassle. No cracking. No warping. No rotting.
The reinforced internal structure provides load-bearing strength you can trust. We've engineered every component for angled stair installation. Your safety comes first, and our anti-slip handrail options prove it.

Technical Specifications
| Parameter | Details(Customizable) |
|---|---|
| Width | 80mm – 150mm (rail/post components) |
| Thickness | 30mm – 60mm |
| Standard Lengths | 1.8m / 2.2m / 2.9m |
| Popular size | 90*25/120*20/135*25/138*23/140*20/140*25/145*25/150*25 mm |
| Materials | Wood Powders +HDPE+ Chemical Additives |
| Surface | Brushed/sanding/Embossing/Wood Grain |
| Service Life | 10–25 years |
| Color Stability | Minimal fading after 2000+ hours UV exposure |
| Technique | Extrusion Molding |
| MOQ | 100SQM |
| FOB Port | Minimal fading after 2000+ hours UV exposure |
| Certifications | Shanghai, Ningbo |
Performance That Withstands the Elements
Weather resistance isn't just a feature—it's your long-term investment protection. Our railing systems resist UV exposure, moisture penetration, and dramatic temperature changes.
You won't deal with mold or mildew growth. Insects can't damage the composite material. Your Composite Deck Stair Railing maintains its structural integrity year after year.
Dimensional stability ensures your installation stays secure. Unlike wood that expands and contracts, our composite materials maintain consistent performance across all seasons.

Complete System Integration
We've designed this as part of a complete railing solution:
- Adjustable angle installation adapts to various stair configurations
- Reinforced posts and handrails deliver added strength where you need it
- Seamless compatibility with deck railing systems creates visual continuity
- Multiple infill options include balusters, panels, or horizontal bars
- Modular design makes installation efficient and straightforward
Your project benefits from pre-engineered connectors and brackets. Professional installers appreciate the easy alignment. DIY enthusiasts find the system approachable and reliable.

Customization That Matches Your Vision
Every project has unique requirements. Our flexible ODM & OEM services adapt to your specific needs:
Material Options:
- Climate-adapted performance features
- Grade A recycled HDPE with wood fiber
Design Choices:
- Classic and modern railing styles
- Multiple color options beyond standard palettes
- Wood grain or brushed surface textures
- Custom heights for different stair configurations
Surface Treatments:
- Anti-slip handrail surfaces for enhanced safety
- Various texture patterns for visual appeal
Your architectural vision becomes reality with our customization capabilities.

Where You'll Use This System?
The versatility of composite stair railing serves multiple applications:
- Outdoor deck staircases connecting multiple levels
- Garden and landscape steps blending with nature
- Residential stair systems for home safety
- Commercial installations requiring durability
- Public outdoor stairways with high traffic
- Terrace and balcony steps facing weather exposure

Quality You Can Trust
EVERDUR's commitment to quality shows in every detail. Our ISO 9001 and ISO 14001 certifications demonstrate systematic excellence. We maintain CE compliance along with FSC, REACH, RoHS, and Intertek testing standards.
Our 5S on-site management ensures consistent production quality. When you choose our composite stair railing, you're backed by comprehensive warranty coverage up to 20 years on co-extrusion products.
We use recycled HDPE materials in eco-friendly production processes. Your project contributes to sustainable building practices while achieving superior performance.

Testing equipment

Packaging and Shipping

Exhibition Showcase

FAQ
Q: Why Choose our product?
A: This railing system provides a safe, durable, and visually consistent solution for outdoor stairs. It integrates seamlessly with your deck railing while ensuring long-term performance and minimal maintenance. You avoid the constant upkeep that wood demands while gaining superior weather resistance.
Contact Us
Ready to Upgrade Your Outdoor Stairs with Composite Deck Stair Railing? Contact our team for technical guidance, custom solutions, and project support tailored to your needs.
📧 Email: violet@wpcsupplier.com
📞 Phone: +86 18066962697
💬 WhatsApp: +86 18066962697
🟢 WeChat: +86 18066962697
Send Inquiry
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