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Thread: Light fixture for above a bathroom shower

  1. #1
    DIY Junior Member steveb7az's Avatar
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    Default Light fixture for above a bathroom shower

    I'm laying the groundwork for the remodel of my master bath and have hit a small speed bump. I found this forum while researching Toto Neorest and Panasonic which are planned for my new bathroom.

    Currently there is a surface mount fixture above the shower which I want to replace. Ideally I wanted to install a 6" recessed can with a Cree LR6 LED light. However, I'm told by my local Cree dealer that these are not suitable for above a shower. What options are available for lighting fixtures on an 9' ceiling?

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    Retired Defense Industry Engineer jadnashua's Avatar
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    Often, a can can be used in a damp location IF it has a wet-rated trim/cover. The option sheet/spec sheet will show you for sure - note, the same can may only be used in damp locations when installed with certain trims. If this is in a ceiling that goes to the attic, you'd also want a can rated at AT (air tight) and probably IC (insulation contact).
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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    DIY Junior Member Alyssa's Avatar
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    You can check out rainshower heads or chandelier shower heads- theses are really beatiful chandeliers over the shower that work as a shower head too! Very chic look!

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    Homeowner Thatguy's Avatar
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    Quote Originally Posted by steveb7az View Post
    these are not suitable for above a shower
    Did he say why? Maybe the LED itself is not hermetically sealed.

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    In the trades Dana's Avatar
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    The CREE LR6 is an R30 replacement, but it requires convection cooling to keep the LED within temp. A sealed trim approach would almost certainly cause color & luminosity drift, and cut it's anticipated lifespan by an order of magnitude (or more.)

    Standard recessed cans designed for incandescent bulbs are designed to limit heat transfer between the bulb & the structural wood supporting the fixture (to limit fire hazards). Incandescents put out 5-8x the heat of an "equivalent" LED, but aren't affected by heating building up in the bulb. A well designed LED-specific fixture would be designed to pull as much heat out of the LED and distribute it elsewhere. As a retrofit-bulb, the LR6 has it's own heat sinking designed in, but relies on convection to keep the temp within spec.

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    DIY Junior Member steveb7az's Avatar
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    Dana - I believe that is exactly the problem. Since the Cree appears to be out, are there any alternatives to it? My first choice would be LED, but if that technology is not yet suited for over the shower what would be my next best choice?

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    Homeowner Thatguy's Avatar
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    Quote Originally Posted by steveb7az View Post
    Dana - I believe that is exactly the problem. Since the Cree appears to be out, are there any alternatives to it? My first choice would be LED, but if that technology is not yet suited for over the shower what would be my next best choice?
    SolaTube with an artificial light source?
    Fiber optics, with the light source some distance away?
    Forced air cooling?

    50 to 80 lux should be enough light.
    Last edited by Thatguy; 11-03-2010 at 02:51 PM.

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    DIY Junior Member steveb7az's Avatar
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    I found a source! Juno Lighting makes a 5" and 6" recessed LED that is rated for above a shower.

    http://www.junolightinggroup.com/pro...&brand=1&hl=44

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    Homeowner Thatguy's Avatar
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    So now just pick your color temp., 2700K to 4100K, vs. the price you want to pay.
    http://en.wikipedia.org/wiki/Color_temperature

    http://www.google.com/imgres?imgurl=...ed=0CBoQ9QEwAQ
    Last edited by Thatguy; 11-04-2010 at 03:05 PM.

  10. #10
    In the trades Dana's Avatar
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    Quote Originally Posted by Thatguy View Post
    So now just pick your color temp., 2700K to 4100K, vs. the price you want to pay.
    http://en.wikipedia.org/wiki/Color_temperature

    http://www.google.com/imgres?imgurl=...ed=0CBoQ9QEwAQ
    In a shower, 2700K for SURE!

    4100K is easier on the eye for reading, but isn't so good for skin-tones. It was the standard color temp for office lighting for decades, but they're finding people look & feel better with 3500K for the ambient lighting in offices. Food & skin look much better at 2700-3000K.

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