Journal
Notes on recessed light.
Specification guides, detailing advice and project insight from The Light Engineers.
Latest guides
Guide · 6 min
What is recessed lighting? A guide for commercial interiors
Recessed lighting is installed into the ceiling void so the light sits flush with the ceiling, giving clean, uncluttered interiors with linear profiles or downlights.
Specification · 5 min
Multi-optic recessed downlights explained
Multi-optic recessed downlights such as Foss group several small, individually shielded LED optics in one housing, giving high output, very low glare and precise beams.
Guide · 7 min
Recessed linear lighting: a complete specification guide
Recessed linear lighting creates flush lines of light in the ceiling; specify it by length, output, optic, trim type, controls and coordination with the ceiling void.
Guide · 6 min
Architectural downlights: how to choose for commercial projects
Choose architectural downlights by beam angle, glare control, output, colour quality, cut-out size, IP rating and controls, matched to the space and ceiling.
Detailing · 5 min
Ceiling void depth for recessed lighting: what you need
Recessed lighting needs a ceiling void deep enough for the fitting, driver and clearance from services; check product depths early against the reflected ceiling plan.
Installation · 5 min
Cut-out sizes and setting out recessed lighting
Recessed fittings need accurate cut-out sizes and setting out from the reflected ceiling plan to avoid clashes and keep lines straight and spacing even.
Sectors · 6 min
Recessed lighting for offices: linear and downlight options
Offices use recessed linear lighting and low-glare downlights to deliver uniform, LG7-compliant light with clean ceilings and flexible controls.
Sectors · 5 min
Recessed lighting for hotels, restaurants and bars
Hospitality spaces use warm, dimmable recessed downlights and slim linear lines to build atmosphere while keeping ceilings clean and unobtrusive.
Sectors · 5 min
Recessed lighting for retail stores and showrooms
Retail spaces use high-CRI recessed downlights and clean linear lines to show products accurately, guide customers and keep the focus on merchandise.
Sectors · 5 min
Recessed lighting for healthcare and clinical spaces
Healthcare spaces use flush, cleanable recessed lighting with even distribution, low glare, emergency integration and night modes.
Sectors · 5 min
Recessed lighting for schools, colleges and universities
Education spaces use low-glare recessed linear lighting and downlights with daylight and presence controls for comfortable, efficient classrooms.
Specification · 5 min
Glare and UGR in recessed lighting
Recessed lighting glare is measured using UGR; aim for UGR 19 or lower in offices and classrooms by choosing well-shielded optics and confirming with room calculations.
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