Journal
Notes on trimless light.
Specification guides, detailing advice and project insight from The Light Engineers.
Latest guides
Guide · 5 min
What is trimless lighting?
Trimless lighting is recessed and plastered into the ceiling or wall so there is no visible frame, leaving only a clean line or disc of light.
Installation · 6 min
How trimless lighting is installed, step by step
Trimless lighting is installed by fixing a plaster-in profile to the ceiling board or framing, taping and skimming it in, decorating, then fitting the light engine and diffuser.
Installation · 5 min
Trimless lighting: getting the installation sequence right
A clear sequence of set out, profile fixing, first fix, plastering, decoration and second fix is the key to flawless trimless lighting.
Specification · 6 min
Trimless linear lighting: a specification guide
Trimless linear lighting is specified by profile, length, output, optic, colour, controls and installation details, made to measure to the ceiling plan.
Guide · 5 min
Trimless downlights: a guide for designers
Trimless downlights are plastered in so only the aperture or disc of light is visible, ideal for minimal ceilings, from small apertures to large discs like Segura.
Design · 5 min
Trimless corners, junctions and shapes
Trimless linear can form L-shapes, rectangles and continuous perimeters, and lit corners like Lopen's keep the light unbroken at every turn.
Installation · 5 min
Trimless lighting in plasterboard ceilings
Plasterboard ceilings are ideal for trimless lighting; profiles fix to the board or framing and are skimmed in, with extra support where runs are long.
Detailing · 4 min
Trimless lighting with concrete and solid ceilings
True trimless lighting needs a ceiling or wall lining to plaster into; with exposed concrete, use rafts, bulkheads or cast-in details, or choose surface or suspended lighting.
Sectors · 5 min
Trimless lighting for offices and boardrooms
Trimless linear lighting gives offices and boardrooms seamless ceilings with low-glare, LG7-compliant light and flexible controls.
Sectors · 4 min
Trimless lighting for hotels and hospitality
Hotels use trimless lighting in lobbies, corridors and rooms for clean ceilings and soft, warm light that lets the interior design lead.
Sectors · 4 min
Trimless lighting for retail and showrooms
Retail and showrooms use trimless lighting for minimal, gallery-like ceilings, combined with accent lighting to keep attention on the product.
Sectors · 4 min
Trimless lighting for high-end homes
High-end homes use trimless lighting in kitchens, hallways and living spaces for seamless ceilings and soft, architectural light.
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