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  • Decorative Exterior Stairs Design Used Prefab Steel Spiral Staircase
  • Decorative Exterior Stairs Design Used Prefab Steel Spiral Staircase
  • Decorative Exterior Stairs Design Used Prefab Steel Spiral Staircase
  • Decorative Exterior Stairs Design Used Prefab Steel Spiral Staircase
  • Decorative Exterior Stairs Design Used Prefab Steel Spiral Staircase
  • Decorative Exterior Stairs Design Used Prefab Steel Spiral Staircase
Decorative Exterior Stairs Design Used Prefab Steel Spiral Staircase

Decorative Exterior Stairs Design Used Prefab Steel Spiral Staircase

$2000.00-$4500.00/ Set|1 Set/Sets(Min. Order)

Customization:

size（Min.Order: 1 pieces）
View product details

Decorative Exterior Stairs Design Used Prefab Steel Spiral Staircase

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Multi-Level Access: Designed as a prefabricated steel spiral staircase, providing safe and efficient vertical connectivity between multiple floors or outdoor levels in residential and commercial spaces.
  • Decorative & Functional Integration: Combines a modern spiral design with durable steel or steel-wood construction, featuring a powder-coated surface for enhanced weather resistance and aesthetic appeal.

Key features

  • 1. Durable Material Technology

    • With a corrosion-resistant steel and steel-wood composite structure and powder-coated surface, ensure long-lasting durability in outdoor environments.

  • 2. Space-Saving Interactive Design

    • With a spiral staircase design, optimize limited spaces while maintaining modern aesthetics. The modular prefab construction allows easy customization for diverse architectural styles.

  • 3. High-Performance Versatility

    • Engineered for both indoor and exterior use, this staircase supports multi-level access in villas or commercial properties. Its steel framework ensures stability under frequent use.

  • 4. Scenario-Adaptive Solutions

    • Designed for residential villas and outdoor spaces, the staircase combines safety (reinforced handrails) with aesthetic appeal (minimalist white finish). Ideal for connecting decks, patios, or multi-story buildings.

  • 5. Certified Safety and Durability

    • Constructed with powder-coated steel meeting safety and environmental standards, ensuring corrosion resistance and low-maintenance requirements.

Product details

Decorative Exterior Stairs Design Used Prefab Steel Spiral Staircase

The Decorative Exterior Stairs Design is a modular prefab steel spiral staircase engineered for durability and aesthetic versatility. Crafted from steel and wood composites with a powder-coated finish, it suits residential and commercial applications, offering sleek modern design while ensuring safety and weather resistance.

Technical specifications

FeatureSpecificationBenefit
MaterialSteel-wood compositeCombines strength with natural warmth
ShapeSpiral designSpace-efficient for compact installations
Surface TreatmentTriple-layer powder coatingUV-resistant, corrosion-proof finish
ApplicationIndoor, exterior, villa, commercialVersatile for multi-environment use
SafetyReinforced handrails & balustersMeets international safety compliance

Customization guide

Adjust material ratios (steel/wood blend) to balance weight and aesthetics. Modify spiral radius (2m–3.5m) to fit site dimensions. Choose from 10+ RAL color options for surface coating to match architectural styles.

Get inspired

With its minimalist spiral design and weather-resistant finish, this staircase transforms outdoor spaces into functional art. Whether connecting terraces in a modern villa or linking commercial decks, it blends form and function seamlessly.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Load Capacity120 kg/step150 kg/step200 kg/step*
MaterialSteel frameSteel-wood hybridPremium stainless steel
Custom Color Options5 standard colors15 RAL colorsFull customization
Installation Time48hrs36hrs24hrs*

Supplier's note

  1. Technical Breakthroughs:

    • Triple-layer powder coating: 20% thicker than industry standards for extreme UV/corrosion resistance.
    • Modular spiral joints: Enable 30% faster assembly than traditional welded designs.
    • Hybrid steel-wood treads: Reduce weight by 15% while maintaining load capacity.

  2. Version Selection Guide:

    • Base Model: Ideal for standard residential use (e.g., connecting two-story villas) where budget is prioritized.
    • Advanced Model: Targets high-end homes or boutique businesses needing aesthetic differentiation (e.g., wood accents for rustic modern designs).
    • Pro Model: Suited for commercial projects (e.g., hotels, resorts) requiring heavy-duty use and rapid installation. With its stainless steel construction, it withstands coastal environments better than competitors.

*Pro Model exceeds ISO 14122 safety standards by 40%.

Frequently asked questions

  • Which spiral staircase model suits exterior别墅 use?

  • How to maintain a steel-wood powder coated staircase?

  • Steel vs. wood: Which material is better for outdoor spiral stairs?

  • Can I customize the color of my prefab steel spiral staircase?

  • Are prefab spiral stairs weather-resistant for outdoor use?

  • What makes spiral stairs ideal for space-saving别墅 designs?

  • How do spiral stair handrails ensure safety for high-traffic areas?

  • Can spiral stair designs match modern别墅 architectural styles?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionResidential/Commercial BuildingsSteel frame (ASTM A36) ▲ Steel-wood composite (ASTM D2457) for Advanced modelsEnhanced durability and aesthetic appealHigher cost for composite materials
Structural DesignCompact Spaces (Villas)Spiral design with 270°/360° turns (ISO 1915)Space-efficientSteeper steps may be challenging
Surface TreatmentExterior/High-Wear Areas80 µm powder coating (ASTM D1730)Weather and corrosion resistancePotential for surface scratches/chipping
Load CapacityHigh-Traffic Areas250kg (ISO 14433) ▲ 300kg for Advanced modelsSafe for multiple usersBase models limit heavy use
Noise LevelQuiet Environments (Offices)43 dBA (IEC 61672)Reduced noise pollutionNot completely silent
Customization OptionsAesthetic Matching10+ colors, 3 tread styles (Custom spec)Versatile design integrationCustom orders may delay installation

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