LIGHTING
/DESIGN 101
Lighting and Light Fixtures: How to Properly Light a Room
Here's how we go about lighting a room: first question... Ask yourself how the room is being used and at what time of day: work --- this dictates a brighter, cooler temperature light in order to keep you alert and active. Also consider this type of light in an office, bathroom, or kitchen relaxing --- this dictates a dimmer, warmer temperature light in order to help you relax. This light is best used in rooms used in the evening such as a family room or bedroom.
TYPES OF BULBS
INCANDESCENT - Last 100 years
DISCHARGE LIGHTS - Last 20 years
LED - Latest
HOW TO CALCULATE LIGHT WATTAGE NEEDED IN A SPACE
The amount of light output is calculated in lumens…
Higher lumens ---- brighter light
Cooler colours make us more active and increase our alertness
Colour temperatures range from 1800-6000 kelvin 3000 - most common is 3000-4000 for warm and 4500-5000 for cool light
The Colour Rendering Index is how the quality of light allows us to see colour
In my studio, I have 95 CRI in order to see the true colours of fabrics. For areas in your home, you may want to use this where you do your make-up or for an art studio space.
TYPES OF OVERHEAD LIGHTING
An example of a diffused or ambient light which creates soft shadows and a glow is a bedside table or dining table chandelier.
Examples of a harsh light which creates hard shadows are narrow, spot or flood lights. These are best used when highlighting sculpture or architectural details
TYPE OF LIGHT NEEDED FOR FUNCTION OF ROOM
COOKING: TASK & OVERHEAD
READING: TASK
RELAXING: ACCENT
WORKING: TASK & OVERHEAD
EXERCISING: OVERHEAD
TV WATCHING: AMBIENT & ACCENT
REMEMBER TO LIGHT WITH A MINIMUM OF 3 LAYERS
Ambient
Task
Accent
TYPES OF OVERHEAD LIGHTING
Spot
Floodlight
Ambient light
HOW TO CALCULATE THE SIZE OF A CHANDELIER
Room Size 10’ wide x 12’ long
add your dimensions in inches (width plus length) 10 + 12 = 22” optimal size
Table size 48” round
take your overall size in inches, subtract 6” to 8” for each side (two sides) 48” - (6“ x 2) = 36” or 48” - (8” x 2) = 32” which gives optimal size of 32” to 36”
Table size 48” wide x 84” length
use the width of table (using same formula for a round table) to determine size if using a round or square fixture
HOW TO CALCULATE THE HANG HEIGHT BASED ON A 8’ CEILING
Measurement of fixture above a dining table: 34” to 36” from top of table to bottom of chandelier, add 4” to 6“ for every 1’ of additional ceiling height
Measurement of fixture above an island: 39” to 42” from top of island to bottom of chandelier or pendant, add 4” to 6” for every 1’ of additional ceiling height
Measurement of fixture at ceiling height: minimum 84” from floor to bottom of fixture
Measurement of vanity sconce: ideally fixture should be 84” above finished floor for typical sconce centred above vanity sink
Measurement of sconces used for accent lighting: ideally sconces should be at approx. 69” above finished floor regardless of ceiling height