Mud-In Trimless Recessed Linear Light for Clean Ceilings
Seamless, high-efficiency trimless recessed linear lights—engineered with integrated plaster beads for flawless drywall integration, flexible selectable CCT, and rapid inspection sign-off.
Modern interior architecture demands an absolute reduction of visible hardware, allowing clean lines of light to define the space. The Prillumen Fornax Formwork Series is a spec-grade trimless systèmes d'éclairage linéaire encastré engineered to deliver continuous, glare-free illumination entirely flush with your drywall ceiling or wall planes. Featuring an integrated perforated aluminum plaster bead for direct mud-in execution, these scalable trimless recessed linear lights merge completely into the structural framing. This eliminates visible flanges and gaps, creating a ribbon-of-light effect preferred by modern lighting designers, corporate architects, and high-end commercial builders.
💎 Technical Advantages of the Trimless Recessed Linear Light
1. Seamless Mud-In Plaster Bead Integration
Achieve a flawless, monolithic ceiling plane without visible fixture borders. The Fornax profile features heavy-duty, extruded aluminum side flanges engineered with a continuous perforated pattern. Contractors screw the channel housing directly into drywall studs or framing boards, apply standard drywall tape, and float drywall mud right to the edge of the lens opening. Once sanded and painted, only the clean, unbroken lens remains visible.
2. Selectable CCT Technology (3000K / 4500K / 6000K Tunable White)
Calibrate the color environment on-site without opening the ceiling plenum or modifying field control wiring. Every trimless recessed linear light engine features onboard selectable switches, allowing electrical crews or facilities managers to change color temperatures on the fly. Toggle between Warm White (3000K) for high-end hospitality lobbies, Neutral White (4500K) for executive conference spaces, or crisp Daylight (6000K) for high-focus medical and tech workspaces.
3. Shallow Structural Profile Housing
Eliminate structural interference during framing coordination. Our shallow mud-in chassis profile requires minimal mounting depth within the ceiling joist space. This enables structural architects to place continuous, long linear slot configurations throughout narrow shallow plenums, avoiding conflicts with HVAC ducting, plumbing lines, or overhead structural beams.
🏢 Targeted Commercial Applications
1. Corporate Conference Rooms & Boardrooms
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The Application: Minimalist, high-end presentation rooms requiring high task footcandles on work tables while maintaining zero architectural ceiling clutter.
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The Specification Solution: Installing these trimless recessed linear lights in rectangular or continuous parallel layouts provides robust general illumination. The frosted diffuser delivers an ultra-smooth Lambertian beam distribution, softening facial shadows and removing screen reflections on presentation displays during video conferences.
2. High-End Commercial Corridors & Galleries
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The Application: Transition zones, legal office pathways, and art gallery spaces where visible fixture trims distract from clean, linear walls.
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The Specification Solution: When mudded directly into the drywall ceiling or upper wall junctions, the trimless recessed linear light guides visitor movement seamlessly. By aligning 4ft and 8ft links together, the architectural slot delivers crisp, continuous lines of light with no dark spots or socket shadows at the joints.
3. Minimalist Retail Flagships & Showrooms
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The Application: Luxury retail environments requiring geometric ceiling cuts and comfortable illumination that draws focus to physical product merchandise displays.
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The Specification Solution: The mud-in linear framework can be configured to span continuously from vertical walls onto horizontal ceiling faces. Utilizing high-CRI light engines, the fixture provides true-to-life color rendering, maximizing the premium appearance of texture and surfaces.
🛠️ Contractor Installation & Code Compliance Features
Built to slash labor hours, simplify drywall finishing, and guarantee rapid inspector sign-off.
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Male-to-Female Alignment Locks for Extended Runs: Our modular internal heavy-gauge steel joiner brackets draw the extruded aluminum housings tightly together, guaranteeing dead-straight ceiling runs. Featuring internal plug-and-play multi-pin wire harnesses, contractors can run up to 80 linear feet from a single power drop junction box.
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Flawless Plaster Control Guards: Each trimless recessed linear light ships with factory-installed protective plastic construction sleeves. These sleeves keep the internal LED board, driver, and optical channel completely safe from drywall mud splatters and paint overspray during the finishing phase, snapping out effortlessly prior to final diffuser lens insertion.
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Smart Automation Ready: Comes standard with 0-10V smooth dimming drivers, ensuring complete compatibility with commercial occupancy sensors, daylight harvesting sensors, and automated digital control grids for effortless building energy-code sign-offs.
📊 Comprehensive Specs Sheet: Physical Dimensions & Photometric Output
Data below reflects pure direct-downlighting performance engineered specifically for Mud-In Trimless Recessed Linear LED structures.
💡 Specifications Matrix
Section 1: Physical & Photometric Performance (By Model)
| Model (Part Number) | Longueur | Dimensions (L × W × H) | Puissance | Lumens | Efficacité |
| PR810C-TR-2FT | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | 24.02″ × 2.76″ × 3.35″ | 20 Watts | 2,400 lm | 120 lm/W |
| PR811C-TR-4FT | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | 47.44″ × 2.76″ × 3.35″ | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | 120 lm/W |
| PR812C-TR-8FT | 8 Feet | 94.49″ × 2.76″ × 3.35″ | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | 120 lm/W |
Section 2: Electrical, Control & Certification Specs (
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| Tension d'entrée | Universal 120-277V AC, 50/60Hz standard (Dedicated 347V option available for specific projects) |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | 0.95 at full system load, ensuring high electrical efficiency and grid compliance |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | THD< 15% across all selectable wattage and voltage ranges |
| Contrôles de gradation | Smooth, continuous 0-10V Dimming downward to 10% (Compatible with major commercial control grids) |
| CCT Management | Field-adjustable Selectable CCT Toggle Switch (3000K / 4500K / 6000K Tunable White) |
| Color Rendering Index | 80CRI(Optional 90 available for high-end retail and gallery installations) |
| Housing Construction | Architectural heavy-gauge 6063-T5 extruded aluminum with integrated perforated plaster wings |
| Optical System | High-transmittance, snap-in frosted polycarbonate lens (Lambertian distribution standard) |
| Regulatory Certifications | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits L70> 50,000 cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits 25° cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
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Q1: Does the Selectable CCT feature require separate control wires or special wall dimmers?
A: No. The Selectable CCT configuration utilizes an internal physical switch on the fixture body that allows you to lock in the base color temperature (3000K, 4500K, or 6000K) during rough-in installation. Once mudding and painting are complete, the fixture operates seamlessly with any standard commercial wall switch or 0-10V dimming system.
Q2: How do you access the driver or LED boards if a component fails after the ceiling is completely mudded and painted?
A: Maintenance is 100% accessible from the room side. You never need to cut, chip, or damage the finished drywall ceiling to service the fixture. The snap-in frosted diffuser lens removes cleanly from below using standard toolless access, giving you immediate entry to the quick-disconnect wiring blocks, LED boards, and internal driver compartment.
Q3: What is the recommended drywall thickness for this plaster bead mud-in flange?
A: The integrated aluminum plaster bead is engineered to pair perfectly with standard 1/2-inch or 5/8-inch commercial gypsum drywall boards. The thickness of the flange allows plaster crews to apply the standard tape-and-mud layering sequence, feathering it out smoothly to create an absolute flush surface.
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