Lighting Concrete Slabs Made Easy: The Low-Profile, High-Performance Surface Mounted Downlight Solution

The LD-11-467 Series: CNC Aluminum Craftsmanship Meets the Impossible Ceiling.

One of the most common questions we get from international contractors is: "How do I install downlights in a concrete apartment ceiling?"
You can't core drill 4 inches into reinforced concrete just to fit a recessed can. It's expensive, dangerous, and often against building code.

The OKEL LD-11-467 Series is the definitive answer to the Solid Concrete Ceiling Problem. It delivers the aesthetic of a premium recessed downlight without requiring any ceiling void depth.

The "Surface Mounted" Advantage
The mounting method is Ceiling Mount (Surface) . The fixture sits flush on the ceiling, requiring only a small hole for the wiring cable—not a giant hole for a housing.

• Installation Speed: An electrician can install one of these in 3-5 minutes vs. the 30-45 minutes required to core and wire a recessed fixture in concrete.
• Slim Profile: Despite housing a driver and LED array, the 6W model is only H65mm tall. This is sleek enough for corridors and low-clearance basements.

Aesthetic Details That Sell
This isn't a bulky "jelly jar" light. The design language is Architectural Minimalism.

• CNC Machined Aluminum Radiator: The spec notes "CNC lathed aluminum arc radiator." This creates a beautiful, heat-dissipating fin pattern on the exterior. It looks like a high-end audio component attached to your ceiling.
• Anti-Glare Shield (P<0.02mm): The diffuser is a micro-prismatic or thin opal sheet sitting behind a Glare Shield Ring. The design ensures the SMD2835 diodes are completely hidden from view, preventing the "dotted" look of cheap SMD surface lights.

Performance and Range

• Wattage Options: 6W / 8W / 12W.
• Diameter Range: 75mm to 135mm.
• Light Quality: Available in 3000K/4000K/6000K with 90-104LM/W efficacy. This is a significant upgrade for spaces currently lit by surface-mounted 2-pin PL-C fluorescent fixtures.

Ideal Project Applications

• Apartment Block Corridors: Fire-rated ceilings that cannot be penetrated by recessed housings.
• Retail Back Offices: Quick renovation without disrupting business below.
• Basement Home Theaters: Low glare for screen viewing.

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