Ultra-Slim 4x8mm Side-Emitting LED Neon Flex | Dimmable High-Density Silicone Strip for Precise Furniture Contours

4x8mm Side-Emitting Silicone LED Neon Flex

Direct answer: the 4x8mm side-emitting silicone LED neon flex is a flexible silicone profile measuring 4mm wide and 8mm high, with a vertical high-density LED strip sealed inside the silicone tube and light released through one narrow side face to create a slim, continuous, dot-free line of light.

This profile is made for designers, furniture makers and project buyers who need a discreet luminous line that follows the edge of a piece of joinery instead of washing the surface beside it. It seats into routed grooves, extruded channels and shadow gaps, runs on DC12V or DC24V, is sealed to IP67, dims smoothly from 0 to 100%, and can be cut at the printed marks for made-to-measure runs.

Verified product profile

Why the 4x8mm profile works

The 4x8mm cross-section is the point of the product: narrow enough to disappear into a joinery detail, deep enough to carry the light source and its silicone housing.

• A narrow cross-section. The 4mm side face keeps the luminous line visually thin, so it reads as an architectural detail rather than a light fitting.

• Side emission. Light leaves the profile along one narrow face and is directed into the recess or contour instead of spilling across the surfaces next to it.

• A vertical high-density LED strip. The strip stands on edge inside the silicone tube, so the emitters present a continuous line to the emitting face and the profile lights evenly with no visible dots.

• A flexible silicone tube. The extruded silicone body protects the light source, stays elastic after repeated flexing during installation and remains soft around furniture edges.

Applications

• Furniture edge lighting — a continuous luminous reveal along tables, counters, vanities and shelving.

• Kitchen cabinets — under-cabinet and plinth lines that light the work surface evenly.

• Wardrobes — internal rail and shelf-edge lighting that makes clothing easy to read.

• Shelves and display cabinets — retail and museum shelving where the product should be lit, not the glass.

• Interior contour lighting — wall reveals, ceiling coves, reception desks and hospitality joinery details.

Installation and use guidance

• Check the fit first. Confirm that the groove or channel you plan to use matches the actual cross-section of the profile before the run is cut or fixed.

• Cut at the marks. The profile is cuttable at the printed marks; keep the cut clean and square so the end cap and connection stay sealed.

• Match the supply to the version. Confirm whether the DC12V or DC24V version is being installed before wiring, and check polarity at the connection — the profile will not light if the polarity is reversed.

• Dimming. Output can be adjusted smoothly across the full 0–100% range with a compatible dimming setup; confirm compatibility with the driver specified for the project before final installation.

• Protect the joint. Keep the end seal and every connection inside the protected housing so the IP67 protection of the finished run is not interrupted.

• Plan the run. Agree the total run length and the supply position with the installing electrician at design stage so the light stays even from the first to the last metre.

Choosing the colour temperature

The profile is available in 3000K, 4000K and 6000K, and custom colour temperatures can be produced for project work.

• 3000K — a warm tone that suits timber joinery, residential wardrobes and hospitality interiors.

• 4000K — a neutral tone for kitchens, shelving and work areas that need clear, balanced light.

• 6000K — a crisp daylight tone for display cases, retail shelving and modern architectural contours.

Because the same 4x8mm profile is offered in these options, and in custom colour temperatures on request, one detail can run through an entire project while the atmosphere is set space by space.

Frequently asked questions

What is a 4x8mm side-emitting silicone LED neon flex?

It is a flexible silicone profile 4mm wide and 8mm high with a high-density LED strip sealed inside. Light is emitted through the narrow side face, producing a slim, continuous line of light.

What do the 4mm and 8mm dimensions refer to?

4mm is the width of the profile, the thin face that emits the light, and 8mm is its height, measured across the body that seats into a groove or channel.

How is the light source arranged inside the profile?

The high-density LED strip sits vertically inside the silicone tube, facing the narrow emitting side, so the finished line reads as one even band with no visible dots.

Can this neon flex be cut to length?

Yes. The profile is cuttable at the printed marks, which allows made-to-measure runs for joinery, shelving and contour details.

What voltage does the 4x8mm neon flex run on?

Both DC12V and DC24V versions are available. Confirm which version is being installed before wiring, and check polarity at the connection.

Is the profile suitable for humid interiors?

Yes. The silicone body is sealed to IP67, so humidity and condensation do not affect the light line.

How much can the light output be adjusted?

Output is smoothly adjustable from 0 to 100% with a compatible dimming setup, so the same profile can work as accent lighting or as practical task lighting.

Which colour temperatures are available?

3000K, 4000K and 6000K are the standard options, covering warm, neutral and cool white interiors.

Can the colour temperature be customised?

Yes. Custom colour temperature can be produced on request for project work and brand-specific schemes.

Can custom lengths be supplied?

Yes. Custom length and cut-to-order runs can be produced to suit the project; send us your requirements and we will confirm.

Where is this profile most often used?

Furniture edges, kitchen cabinets, wardrobes, shelves and display cabinets, and interior contour lighting such as wall reveals and ceiling coves.

Related products

Other profiles in the silicone neon flex range: 4x10mm side-view silicone LED neon flex, 6x12mm side-view silicone LED neon flex, and the LED power supply driver range for DC12V and DC24V systems.