walls ceiling ral 6009 fir green smooth ceiling sloping down from front to back no ceiling slats mirror warm white led strip in recessed aluminium channel around full mirror perimeter mandatory slatted feature wall only slatted element vertical timber slats only thin narrow slats no slats elsewhere geometry top of slatted wall is level painted upper gap ral 6009 30 mm at back slightly increasing to front painted lower gap ral 6009 constant 100 mm above floor feature wall lighting warm white led in recessed aluminium channel directly above slatted wall warm white led in recessed aluminium channel directly below slatted wall fixed to underside of slats leds must not sit on floor rules no timber in upper or lower gaps do not omit any led lighting do not generate slatted or timber ceiling timber above or below the slatted feature wall wide timber slats led lighting on the floor missing mirror led lighting oversized gap above the slatted wall painted or slatted elements replacing the recessed aluminium led channels additional feature walls or extra slatted surfaces