Polyurethane Modern Indirect Ceiling Light Luminaire Model
Technical Specifications
| Material | Polyurethane |
|---|---|
| Surface | Amorphous organic form, flat and smooth surface |
| Color | White |
| Density | 150-220 kg/m³ |
| Water Absorption | below 1% |
| Dimensional Stability Test | -20 °C / +70 °C |
| Fire Class | B2 (DIN 4102-1) |
| Paintable | Yes |
| Usage | Indoor + Outdoor |
| Water Resistant | Yes |
| Dimensions | 440 × 440 × 200 mm |
| Sales Unit | piece |
Details
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Technical drawing: Download DWG (107 KB)
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The PA502 polyurethane Indirect Light and Luminaire serves as a sophisticated architectural element designed to merge lighting functionality with modern sculptural art. This organic, amorphous ceiling fixture acts as a seamless transition between the flat plane of a ceiling or wall and a recessed light source, creating a soft, glare-free illumination. By reflecting light off its smooth, curved surface, it transforms harsh point-source lighting into a gentle, ambient glow, enhancing the overall depth and atmosphere of premium interior spaces.
Measuring 440x440 mm with a depth of 200 mm, this moderately scaled luminaire offers a balanced proportion for residential and commercial layouts. Crafted from high-density rigid polyurethane (150-220 kg/m³), the fixture delivers the mechanical hardness of wood while remaining exceptionally lightweight. This prevents structural strain on ceilings. Assess water and moisture exposure using the product technical data, surface finish and installation details.
Visually, the PA502 stands out with its trumpet-like, fluid, organic form that flares outward into a square perimeter. This seamless, continuous curve creates a stunning visual transition, eliminating hard geometric angles and allowing light to wash smoothly over the surface. The factory-applied primer coat ensures a flawless, non-porous finish, making it ready for custom paint application to match any interior design palette.
This versatile architectural element is ideal for high-end applications such as hotel lobbies, upscale dining rooms, modern corridors, and luxury residential living spaces. It can be installed as a central ceiling dome for indirect LED illumination or mounted on walls as a sculptural, three-dimensional sconce. When grouped in asymmetric patterns, it creates dynamic, custom lighting installations that elevate minimalist and contemporary interiors.
Compared to heavy, fragile gypsum alternatives, this lightweight material is highly shatterproof and easy to handle during installation. It can be easily cut, sanded, and securely mounted using a high-quality polyurethane (PU) mounting adhesive and mechanical screws. The material has fire class B2 (DIN 4102-1) and structural integrity ensure a long-lasting, low-maintenance decorative lighting solution.
- The PA502 is designed for both indoor and outdoor architectural lighting applications, provided it is properly coated
- Inside, it serves as an elegant ceiling-mounted indirect light fixture for luxury hotel receptions, cozy restaurant dining halls, and grand residential living rooms
- It can also be installed vertically on walls as an artistic, flush-mount sconce in long corridors or behind bed headboards to provide soft, glare-free ambient light
- For outdoor applications, such as covered entryways, balconies, or modern villa facades, the PA502 can be utilized as a weather-resistant downlight
- To ensure long-term durability in outdoor settings, coating the surface with high-quality, UV-resistant exterior paint is mandatory to prevent yellowing or degradation from sunlight exposure
- Start by ensuring the mounting surface is clean, dry, and free of dust
- Position the PA502 and prepare the wiring for the LED or light fixture
- Apply a generous bead of high-quality polyurethane (PU) mounting adhesive to the back edges of the square flange (never use silicone)
- Press the unit firmly against the ceiling or wall
- Mechanical screw fixing is mandatory to secure the light fixture safely while the adhesive cures
- Once fixed, fill the screw holes and any minor joint gaps with a suitable acrylic filler
- After drying, sand the filled areas smoothly using 180-220 grit sandpaper
- The factory primer prepares the surface for paint; however, applying an optional paint manufacturer's primer is recommended for optimal adhesion before finishing with two coats of water-based or synthetic paint
- Maintaining the pristine appearance of the PA502 is straightforward due to its durable, non-porous polyurethane structure
- For regular cleaning, gently wipe the surface with a soft, slightly damp cloth to remove accumulated dust
- Avoid using abrasive scrubbing pads or harsh chemical solvents, as these can damage the paint finish
- Because the material is highly resistant to water and humidity, it will not warp or degrade even when cleaned regularly
- If the surrounding decor changes, the surface can be lightly sanded and repainted with a new color coat to match your updated design scheme
Can the PA502 be installed in high-humidity areas like bathrooms or outdoor entryways?
Yes, the PA502 is highly moisture-resistant due to its closed-cell polyurethane structure, making it ideal for bathrooms, spa areas, and covered outdoor spaces. For outdoor installations, painting the fixture with UV-resistant exterior paint is mandatory to prevent yellowing and protect it from weather elements.
What type of adhesive should I use for mounting this luminaire?
You must use a premium polyurethane (PU) mounting adhesive to ensure a strong, permanent bond. Traditional silicone-based adhesives are not suitable for this material. Additionally, mechanical screw fixing is mandatory to guarantee safety and stability.
How does this product compare to traditional plaster or gypsum lighting domes?
Unlike plaster, which is heavy, brittle, and prone to cracking, the PA502 is extremely lightweight and shatterproof. This makes installation much safer and faster. Assess water and moisture exposure using the product technical data, surface finish and installation details.
Is the factory primer sufficient, or do I need to apply an extra coat before painting?
The product comes with a high-quality factory-applied primer that prepares the surface for painting. However, paint manufacturers often do not guarantee their coatings unless their proprietary primer is used first. Therefore, applying an additional primer is optional but recommended based on your paint brand's guidelines.
What kind of light sources can be integrated into the PA502?
The PA502 is designed to accommodate various compact LED light sources, spotlights, or low-heat light fixtures. Because polyurethane's dimensional stability has been tested at +70 °C, it is safe for standard architectural LED setups. We recommend low-temperature LED systems for optimal energy efficiency and safety.