This LB03 LED diffuser profile for 12mm strips is an excellent option to bring bright, clean light to your cabinets or shelves. This profile is composed of durable aluminum that dissipates heat well, thus your lights stay cool and last longer. It can hold LED strips up to 12mm wide. The profile has a diffuser that softens the light, eliminating harsh glare and unpleasant light dots. This gives you a smooth, professional glow. It’s the ideal choice for creating both a great look and lasting performance for your cabinet lighting.
Why Choose This Cabinet LED Profile for 12mm Strips?
- Fits multi LED strips: With 12mm inner witdth which allows LED strips from 8mm to 12mm.
- • Strong Aluminum Material: Made with 6063-T5 aluminum to cool your strips well. This helps them last longer and stay safe.
- • Soft Light Diffuser: Comes with a frosted cover that spreads light nicely. No sharp spots or glare.
- • Easy to Fit: Works for both surface mount and recessed mounting in your cabinet or closet.
Installation Tips
- LED Strip Assembly: Remove the backing from the LED strip (up to 12mm wide) and stick it firmly into the aluminum channel.
- Installing the diffuser: Snap the frosted cover into the channel to keep the LEDs safe and make sure the light is spread evenly.
- Preparing the groove: Pre-cut a groove in the wooden panel that is the same size as the mounting tongue.
- Recessed Mounting: align the ribbed mounting tongue with the pre-cut groove and press the profile into the wood until the flange is flush with the surface.
- Wiring and Power: Route the wires through the cabinet and connect them to the power supply and controller according to the instructions for the LED strip.

Use This LED Strip Diffuser Profile for
- Under cabinet lighting in kitchens or study areas.
- Lighted shelves or wardrobe closets.
- Furniture accent lighting (bookshelves, desks).
- Wall coves and ceiling light strips.
Related Products from Tangooled
If you want a similar product in black or with other sizes, check out our black LED profile with black diffuser for 10mm led strip light or 25x6mm low profile LED strip channel for 10mm led strip light. For a smooth surface mount, see our surface mount LED profile with frosted diffuser for 10mm rope lights.
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