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Channel Letters

Rimless Channel Letters

A frameless design where the acrylic face runs edge-to-edge with no visible trim. Favoured by tech companies, modern architecture and design-led brands for its clean, minimal look.

From $33 per letter
For 12" letters, white LED. Rimless construction requires precision manufacturing — worth it for the look.
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Rimless Channel Letters
From $33Per Letter
Edge-to-EdgeNo Visible Trim
50,000hrLED Lifespan
10-15 DaysProduction
Specifications

What goes into every sign.

Technical Specifications

FaceAcrylic wraps to edges, no metal trim visible
BodyInternal aluminum frame, hidden construction
LEDSMD 2835, 120 LEDs/m, IP65
FinishPolished edge, matte or gloss face
Depth30mm–100mm
MountingHidden stud mount or silicone adhesive

Ordering & Delivery

Minimum order1 piece
Production12-18 working days
ProofFree 3D render proof
ShippingExpress 7–10 days · Air ~10 days · Sea 40–65 days
Warranty2yr LED, 5yr body
Payment50% deposit, 50% before shipping
Options

Edge Finish.

Polished EdgeClear glossy edge, contemporaryBase
Frosted EdgeMatte edge, soft light diffusion+5%
Colored EdgeTinted acrylic edge, brand color match+10%
Production

From your file to your door.

Day 1
Design proof
Day 2-4
Precision cut
Day 5-8
Frame assembly
Day 9-12
LED + face bond
Day 13-15
QC + pack
Day 16-18
Ship
SignLumi production floor
Why SignLumi

A real factory, not a trading company.

When you buy from a trading company, you pay a middleman and wait on someone else's production line. When you buy from SignLumi, you talk directly to the factory that cuts, welds, assembles and wires your signs.

  • 3,000 m² production floor — we control every step in-house
  • CE & UL certified, with export quality control
  • MeanWell power supplies and Rishang LED modules
  • 2-year warranty on every illuminated sign
Buyer Planning Guide

Plan rimless channel letters for a clean, serviceable facade

Rimless channel letters remove the visible metal trim to create an edge-to-edge illuminated face. The clean appearance depends on a carefully coordinated internal support, face bonding, return depth and LED layout. Buyers should review the construction together with the font, letter size, wall surface and service plan. A modern visual result is useful only when the sign can be fabricated, installed and maintained for the real project conditions.

Typography and edge clearance

Thin strokes, sharp corners and small counters need enough face area to bond and illuminate cleanly. The proof should show the final letter shapes, spacing and minimum stroke widths at the intended size.

Internal support

A rimless face needs internal structure to hold its shape and connect to the mounting points. Confirm how that structure fits the return depth and whether it affects LED placement or service access.

Face bonding

The acrylic face is bonded to the internal construction rather than held by an external trim. The bonding method and preparation should be included in the approved bill of materials for the expected indoor or outdoor exposure.

Minimum letter size

Simple sans-serif fonts can be considered from six inches, while serif or script details generally need more size. Small letters may require simplified linework to keep the face and lighting practical.

Lighting and brightness

Even illumination depends on LED spacing, face diffusion and letter depth. Review the intended white tone and night-time appearance, especially where several letters or sign types will sit together.

Mounting and service

The wall survey should identify the fixing method, cable route and driver location. Ask how the face, LED modules and driver can be reached later without damaging the edge-to-edge finish.

DecisionWhat to compareWhat to send
TypographyStroke width and countersOutlined vector artwork
Letter sizeMinimum practical heightDimensioned elevation
SupportInternal frame and fixingShow drawing or construction detail
FaceAcrylic color and diffusionDay and night reference
LightingFront-lit LED layout and tonePower and control notes
ServiceFace, LED and driver accessMaintenance plan
Channel letters overviewCustom channel lettersFront-lit channel lettersRequest a rimless quote
FAQ

Questions buyers ask us.

Does the frameless build hold up?

Yes — an internal aluminum frame carries the structure, and industrial adhesive bonds the face. The construction should be reviewed for the intended size, wall and exposure. Confirm the internal support, face bonding, LED access and finish details in the bill of materials before production.

How small can these letters go?

6 inches for simple sans-serif fonts; 10 inches for serif or script fonts.

Can I combine rimless and standard letters?

Yes. Rimless and standard channel letters can be combined when the layout, lighting balance and mounting details are approved together.

What should I check in a rimless channel letter drawing?

Check letter size, stroke widths, face color, return depth, internal support, fixing points, LED type, driver location and service access. The drawing and bill of materials should describe the complete assembly.

Can rimless letters use different fonts and logo shapes?

Many shapes are possible, but fine strokes, narrow gaps and small enclosed areas may need adjustment. The factory should review outlined artwork against the final dimensions before production.

How are rimless channel letters serviced?

Service access depends on the internal construction and mounting design. Agree how the face or LED modules can be reached and where the driver will be located before approving production.

Start your sign project.

Send us your logo and dimensions — get a free quote within 24 hours.

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