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How to Light from Above - Downlighting Inspired by Nature

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How to Light from Above - Downlighting Inspired by Nature

VOLT Downlights

Why Light from Above?

If we were given a choice, we would all light our nighttime landscape with moonlight. But since we can't control the moon, and it's not always shedding its light on us, we find another way. Downlighting is that way.

With downlights we simulate the light of the moon. We create the feeling of moonlight. Of course, we know its not real, but we chose to suspend our disbelief - a term from the movies. Every time we sit in a theater, we immerse ourselves in a film. We know it's not real, but pretend it is - we suspend our disbelief. This is the secret of landscape lighting. We create lighting that appears to be natural, that feels natural, but is (in reality) luminaires skillfully placed and aimed.

Downlighting from Trees - Moonlighting

Mounting fixtures high in trees, projecting their light through branches and leaves - nothing is more beautiful than the resulting dappled light. This is the number one best way to light driveways, lawns, patios - really any area that needs low level illumination. There are some key considerations before you embark on moonlighting.

  • Safety
    Since downlights are typically mounted 20 to 30 ft. high, they require working from a tall ladder or lift. Do not undertake the installation of these lights unless you have the right equipment, the skill, and experience to work safely on a ladder. If you are a do-it-yourselfer, you may want to hire a pro to mount your moonlights. Arborists are well equipped to work in trees, as are most landscape lighting pros.
  • Mounting Location
    The best effect is the appearance of dappled light on the ground or hardscape area. To achieve the dappled effect, the light must project through branches and leaves. To find the best location, stand on the surface to be lit. Look up into a nearby tree to follow the trunk to about 20 ft. high. That would be the minimum height. Keep following the trunk up another 10 ft. and note how many branches and leaves obscure your view of the trunk. Settle on a height and position around the circumference of the trunk that you estimate will result in the best dappled pattern.

    Note that it may not be possible to find trees with branches below 30 ft. In this case, you can still mount the lights up the trees, but the effect will be oval pools of light instead of dappled lighting. This can be a nice effect, but it does look more artificial that dappled light.
  • Spacing

    Top Dog Downlight
    If your goal, for example, is to light the length of a driveway, then you need a number of lights mounted in trees. Each light (when mounted 20 ft. high using a 60º lamp) will project an oval region of illumination with a diameter of about 20 ft. Ideally, you will use this number to space between lights. For example, an 80-foot driveway will need four lights spaced 20 feet apart. A timesaver would be to mount 2 lights in each tree, one pointed to the left - the other to the right. In this example, you would only need to mount lights in two trees (spaced 40 ft. apart.) The downside to that approach is that you will have light coming from two directions, slightly less natural than having all light pointing in one direction - more like real moonlight.
  • Fixtures & Lamps
    The best fixture for this application is the VOLT Top Dog Downlight. This is a cast brass light specially designed for a downward orientation. It includes a surface mount meant to be used with special offset mounting hardware (included). This hardware provides space between the surface mount and the tree - preventing damage to the tree. Also available, the Tree Light Management Kit includes screws, spacers, and zip ties for a clean tree-friendly way to attach fixture wire to the tree.

Downlighting from Under Gutters, Soffits, Gazebos, and Arbors

Many houses come with downlights already installed under gutters, soffits or other overhangs. These are usually 120-volt fixtures cut into the surface and wired into the house electrical system. These lights typically project downward and create nice cones of light illuminating the house siding. Unless you are an electrician, you should not attempt to service or change these 120-volt fixtures.

If downlights are not already present in these locations, then you have a choice of other fixtures you can mount to the siding or underside to achieve the same (or different) effects.

  • Lighting House Sidings & Garden Beds
    The easiest way to illuminate the sidings on your house are using uplights - usually spotlights stake-mounted near the base of the house. However, if you have a place to mount them, you can use downlights instead. These are best attached to the vertical wall just beneath the overhanging soffit or gutter. Some prefer the appearance of the downlight compared to the uplight. These downlights can also serve to illuminate the garden bed near the house as well. Select beam angles to achieve a wide (60º) or medium (36º) coverage.
  • Lighting Gazebos and Arbors
    Mounting lights in the eaves or beams inside gazebos or arbors are ideal ways to achieve comfortable low-level illumination. These fixtures are best positioned in corners or under peaks so they are mostly hidden from view. Use wide beam angles and low wattage lamps to keep the light level low and maintain a relaxing and romantic ambiance.
  • Fixtures & Lamps

    VOLT Top Dog Tommy Light

    The Top Dog Downlight are often the best choice for these applications.

    Another useful fixture is the VOLT Top Dog Tommy Light - an excellent choice for a downlight when protected by an overhang. With an attractive straight-cut housing, the fixture can be angled using the knuckle or when directed straight down, the housing slips over the knuckle (hiding it) for a clean and neat appearance.

    VOLT makes other specialty fixtures that can be used creatively for downlighting applications. VOLT's linear LED Hardscape Lights can be hidden under gazebo eaves or railings. The VOLT Buddy Pro is a tiny fixture that can also be hidden from view and provide widespread downlighting. Care should be taken with these fixtures that they are never within direct view of the occupants since the unobstructed LED chips are very bright when viewed directly.

    Other fixtures that can be used as high-performance downlights are the 12-volt LED Floodlights. These are, however, much too bright for gazebos and arbors. Instead, they can be used attached to sidings or under soffits to provide bright wide area lighting. These are a great choice to replace security spotlights and for security-sensitive areas such as garage entrances.

Feel free to contact our lighting specialists with any questions – 813-978-3700 or email

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