When a building façade starts to curve, twist, or turn sharply at a corner, most traditional rigid wall washers immediately run into trouble. You can force a straight bar onto a curved surface—but the result is usually uneven lighting, dark gaps, and frustrated installers.
Flexible chain wall washers are specifically designed to enhance facade lighting on curved and irregular building surfaces. Each fixture consists of small optical modules connected like a chain, allowing the light to naturally follow the shape of the architecture. Many models support RGB color control and DMX512 protocol, enabling designers to create dynamic lighting effects on complex façades and curved surfaces. These wall washers are ideal for architectural lighting projects, providing uniform, continuous illumination that traditional rigid wall washers cannot achieve, and are especially effective for outdoor façade lighting applications.
Because of this adaptability, flexible chain wall washers have become a popular option for outdoor façade lighting, bridge projects, public art installations, and any environment where traditional linear fixtures cannot fit or deliver the desired continuous lighting effect.

What You Need to Know About Flexible Chain Wall Washers?
What Makes a Flexible Chain Wall Washer Unique?
Flexible chain wall washers are modular LED systems designed for building façade LED lighting, exterior facade lighting, and outdoor façade lights, capable of following curved, irregular, or multi-angled façades where traditional rigid wall washers cannot fit. Each module is connected through a flexible joint, allowing the fixture to bend horizontally or vertically while maintaining continuous, seamless illumination.
Key points:
- Modular chain design enables continuous outdoor façade lights installation on curved surfaces.
- Each module contains an independent LED, optical lens, and heat-dissipating base.
- Maintains uniform illumination without gaps or discontinuity.
- Compatible with DMX512 or SPI pixel control for dynamic RGB/RGBW effects.
- Ideal for facade lighting design concepts in modern architecture.
What Are the Key Features and Specs of a Flexible Chain Wall Washer?
主要功能
- Flexible Modular Structure
Each module bends 10–30° (model-dependent), allowing seamless installation on curved façades, complex building contours, and architectural features in facade lighting projects. - DMX512 / SPI Pixel Control
Supports RGB/RGBW dynamic effects, pixel-level control, and synchronized façade lighting scenes, ideal for creating immersive architectural lighting displays. - High Brightness & Long Projection Distance
Typical module power: 8–15 W per module; projection distance 5–20 m depending on installation and lens. Suitable for building façade LED lighting projects. - Multiple Beam Angle Options
10° / 15° / 30° / 45° / 60° lenses, adaptable to different façade heights and lighting designs. - Outdoor-Rated Durability
IP65–IP67 waterproof, corrosion-resistant aluminum housing, UV-resistant coating, ideal for long-term exterior façade lighting projects.
Basic Parameters
| Item No. | WHX8450EB | WHX6639EB | WHX16642EB | WHX3646EB |
| 工作电压 | DC24V | DC24V | DC 12V/24V | DC24V |
| 颜色 | Single color/ RGBW | Single color/ RGBW | Single color/ RGBW | Single color/ RGBW |
| LED 数量 | 6/18LEDs | 6/18LEDs | 3/6/12/24 LEDs | 24LEDs/M |
| 电源 | 26W/52W per meter | 12W/ 36W per meter | 24W/36W/48W (Can Be Customized) | 24~56W per meter |
| 效率 | 60 lm/W | 68~90LM/W | 100-110lm/w | 57~62LM/W |
| 中国国际广播电台 | >80@3000-6500K | >80@3000-6500K | >80@3000-6500K | >90@3000-6500K |
| Control Mode | PWM/DMX512 | PWM/DMX512 | PWM/DMX512 | PWM/DMX512 |
| Wall Washing Height | 5–15 m | 5–15 m | 5–20 m | 5~8M |
| Storage Temperature | ~25℃ ~ +40℃ | ~25℃ ~ +40℃ | ~25℃ ~ +40℃ | ~25℃ ~ +40℃ |
| 光束角度 | 8° / 15° / 30° / 45° / 60° | 15°/ 24°/ 30°/ 40°/ 60°/15*45°/ 15*60° | 25°/30°/40°/60°/Customizable | 12° / 25° / 40° / 60° / 10*22° / 15*55° |
| 住房 | Aluminum + Lens | Aluminum + Optical Lens | Aluminum + Lens | Aluminum + Lens |
注:
1. “X” in item No. stands for different light color, such as: Single color available:2200K, 2700K,3000K,3500K,4000K,4500K,5000K,6500K, Green(520-530nm), Blue (455-465nm); RGBW (Optional W=2700K/3000K/4000K/5000K)
2. The listed luminous flux applies to white light only.
3. Standard CRI 80+; CRI 90+ available upon request.
4. All specifications and availability are subject to change without prior notice.
What’s the Difference Between Flexible and Rigid Wall Washers?
When designing facade lighting for modern architecture, understanding why flexible chain wall washers outperform traditional rigid wall washers is key. Flexible modules provide unmatched adaptability for curved façades, segmented walls, and irregular structures—delivering seamless illumination where rigid units struggle.

Curvature & Installation
- Flexible: Each module bends 10–30°, enabling smooth installation along curved façades, columns, and folded surfaces.
- Rigid: Cannot bend; multiple units are required, often resulting in light gaps or uneven brightness.
Continuous Illumination
- Flexible: Delivers seamless, uniform lighting across curved or irregular façades, enhancing aesthetic appeal.
- Rigid: May create brightness breaks or shadows on complex surfaces.
Control & Dynamic Effects
- Flexible: Supports DMX512 or SPI pixel-level control for RGB/RGBW dynamic effects and synchronized façade scenes.
- Rigid: Typically supports only static colors or limited dynamic modes.
Adaptability & Applications
- Flexible: Ideal for curved façades, columns, bridges, irregular architectural surfaces, and complex urban structures.
- Rigid: Best suited for straight, linear façades without curvature.
Flexible vs Rigid Wall Washers – Comparison Table
| 特点 | Flexible Chain Wall Washer | 硬墙垫圈 |
| Curvature Adaptability | Each module bends 10–30°, perfect for curved, segmented, or irregular façades | Cannot bend; only suitable for straight linear façades |
| Continuous Illumination | Seamless, uniform lighting on curved or irregular surfaces | May produce brightness breaks or shadows on complex façades |
| Control & Effects | Supports DMX512 / SPI pixel-level control for RGB/RGBW dynamic effects | Typically supports static colors or limited dynamic modes |
| 安装灵活性 | Modules can be installed along curves, columns, or folded surfaces | Requires straight alignment; multiple units needed for long walls |
| 应用场景 | Curved façades, columns, bridges, irregular structures, urban landscape lighting | Straight linear façades, long flat walls |
| Beam Options | 10° / 15° / 30° / 45° / 60° | Usually limited to standard beam angles |
| Outdoor Rating | IP65–IP67, aluminum housing, corrosion-resistant | Varies by model; may not suit harsh outdoor conditions |

LED 洗墙灯 (WHX2838E18C)
输入电压: DC24V
瓦特 18W/ 24W
LED 数量:18 件@18 瓦,24 件@24 瓦
颜色 3000K/4000K/6500K/R/G/Y/B/RGB
CRI : Ra 70@3000K/4000K/6500K
光通量 110-120LM/W@3000K/4000K/6500K
控制方法: RGB/RGBW 控制器或 DMX 解码器
IP 等级: IP65/IP67
尺寸 1000x28x38mm
光束角度 30°/ 60°
寿命: ≥ 50,000 小时

LED 像素管(WAX3036E10C)
输入电压: DC24V
瓦特 10 瓦/ 12 瓦
LED 数量 48 件@10 瓦,60 件@12 瓦
颜色 3000K/4000K/6500K/R/G/Y/B/RGB/RGBW
CRI : Ra 80@3000K/4000K/6500K
光通量 100LM/W@3000K/4000K/6500K
控制方法: RGB/RGBW 控制器或 DMX 解码器
IP 等级: IP65/IP67
尺寸 1000x30x36 毫米
光束角度 120°
寿命: ≥ 50,000 小时
Where Can Flexible Chain Wall Washers Be Used?
Flexible chain wall washers are designed to deliver seamless, high-uniformity façade lighting for curved, segmented, and irregular surfaces, where traditional rigid wall washers fail to maintain continuous illumination. Their modular bending structure ensures professional building façade LED lighting and exterior façade lighting even across challenging architectural forms.
Curved Building Facades
Flexible chain wall washers excel on stadiums, museums, shopping malls, transportation hubs, and commercial complexes with rounded or S-shaped façades. The modular bending design ensures smooth, continuous curved façade lighting without shadow gaps.
Columns & Pillars
Each module can bend individually to wrap around cylindrical structures, making it ideal for hotels, exhibition centers, plazas, and high-end commercial entrances. Provides consistent facade lighting design on curved vertical surfaces.
Irregular or Multi-Angle Surfaces
Flexible chain wall washers conform to folded façades, polygonal claddings, and multi-faceted curtain walls, maintaining high-uniformity exterior façade lighting even on highly complex structures.
Bridges & Urban Infrastructure
Suitable for bridge guardrails, viaduct edges, waterfront passages, and tunnel portals, flexible wall washers provide long-range, uniform wall washing for outdoor façade lighting projects.
Landscape & Public Space Lighting
Ideal for parks, waterfront areas, cultural plazas, and commercial streets, flexible wall washers help precisely outline architectural features and create layered, visually striking facade lighting.
Installation and Maintenance of Flexible Chain Wall Washers
Flexible chain wall washers feature a modular, bendable design that allows for flexible mounting along curved, segmented, or irregular façades, making installation straightforward while maintaining professional building façade LED lighting and exterior façade lighting standards. Proper installation and routine maintenance ensure long-term performance and uniform illumination.
安装方法
- Surface Mounting: Fix modules directly on façades, columns, or structural elements using brackets, clips, or screws.
- Suspended Mounting: Suitable for bridges, overpasses, or elevated structures where direct wall mounting is not possible.
Electrical Connections & Control:
- Each module supports DMX512 or SPI pixel-level control, enabling RGB/RGBW dynamic façade lighting effects.
- Power supply and wiring should comply with safety standards and local outdoor façade lighting regulations.
Maintenance Tips
- Regularly clean LED lenses and aluminum housing to maintain brightness and color consistency.
- Inspect for loose connections or corrosion, especially in outdoor façade lighting exposed to weather.
- Replace damaged modules promptly to ensure uninterrupted building façade LED lighting.
Maintenance Checklist
| Task | 次数 | 札记 |
| Clean LED lenses | Monthly | Use soft cloth and mild cleaner |
| Inspect connections | Quarterly | Tighten screws, check for corrosion |
| Test control signals | Monthly | Ensure DMX512/SPI signals are correct |
| Replace damaged modules | As needed | Use identical modules for uniform lighting |
Lighting Design Tips for Flexible Chain Wall Washers
Flexible chain wall washers are highly versatile, allowing architects, lighting designers, and engineers to create dynamic and uniform façade lighting even on curved, segmented, or irregular surfaces. Proper planning of module placement, beam angle selection, and brightness distribution ensures optimal results for building façade LED lighting and exterior façade lighting projects.
Optimize Module Placement
- Space modules evenly along the façade to avoid shadow gaps and ensure continuous lighting.
- On curved or segmented façades, adjust each module’s angle to maintain uniform façade lighting.
Choose Appropriate Beam Angles
- Select narrow angles (10°–30°) for focused highlighting of architectural details.
- Use wide angles (45°–60°) for even wall washing over large surfaces.
- Combine different angles to enhance facade lighting design depth and texture.
Adjust Brightness and Dynamic Effects
- Control module brightness according to façade height, surface reflectivity, and ambient light conditions.
- Use DMX512 or SPI pixel control to create synchronized dynamic effects or subtle color transitions.
- Plan for night-time visibility and daytime architectural harmony.
Integrate with Façade Lighting Design
- Combine flexible chain wall washers with accent lighting, linear lights, or spotlights to create multi-layered façade lighting.
- Coordinate with building façade LED lighting plans to highlight textures, contours, and architectural features.
关于 SignliteLED
SignliteLED 擅长 flexible LED wall washers, chain wall washer solutions, and architectural façade lighting. The company collaborates with designers, contractors, and distributors worldwide to deliver reliable, high-performance lighting solutions.
为什么选择我们
- Stable Quality
Products undergo in-house production, rigorous aging tests, and strict quality control, ensuring consistent performance and color uniformity for every façade lighting project. - Certified Compliance
All product lines comply with UL, ETL, CE, and RoHS, guaranteeing safety and meeting international project standards. - Project-Ready Documentation
Provides photometrics, wiring diagrams, and installation guides, making it easy for engineers and designers to integrate products seamlessly. - Tailored Solutions
Offers customizable options for CCT/CRI, lengths, optics, and control systems (DMX512/SPI/RGBW), enabling precise building façade LED lighting design. - Responsive Support
Provides samples, fast lead times, and technical assistance, ensuring smooth project execution and after-sales service.






