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Topic:
Cove Lighting?
This thread has 18 replies. Displaying posts 16 through 19.
Post 16 made on Saturday August 11, 2018 at 15:44
iform
Active Member
Joined:
Posts:
September 2010
575
Even diffuser covers that snap into the aluminum profile won't completely prevent hot spots.

You can get high density LED strips though, But it comes in only white, not color changing. These completely eliminate the hot spots.

This is aluminum profile with the diffusor cover and high density LED

[IMG][/IMG]
Post 17 made on Sunday August 12, 2018 at 09:37
allnic1
Lurking Member
Joined:
Posts:
April 2005
6
I 2nd on (www.environmentallights.com) as an electrical contractor and installer of LED tape light for years I have had no problems or failures with their products.
They have all the products including diffuser tracks for all your needs, great design help and customer support
Post 18 made on Sunday August 12, 2018 at 09:47
james_aa
Regular Member
Joined:
Posts:
January 2018
68
We spec lots of LED strip / tape and the thinks to make sure are :

- Lumens (brightness)

- colour temp : 2700k is most common as its most similar to the colour temp of halogen lighting

- CRI : Go for 80 or 90 (higher the better)

- Cut points on the tape : Smaller the better, some tapes have 100mm cut points which can be a pain, 25mm is good.

- Dots per meter or Dots per inch : This is to do with the number of individual LEDs per meter / per inch. Due to the manufacturing process each LED is always slightly different in brightness, CRI, and colour temp, so the more LEDs you have closer together means you get a more even colour when the LEDs are washed on a wall / through a diffuser (see below)

- Diffuser : Its always a good idea to diffuser the light as it evens out the light from multiple LEDs into one solid even bar of light, stops you getting reflections that look dotty etc.. This will help massively with hot spotting

- Dimmable : Is dimming required, if so some drivers will say they are dimmable, but actually not be very smooth, i would test a sample of what ever strip / driver you by with your lighting control system to make sure it dims correctly

- Length of strip required : Some strips have a max length, so bare this in mind with longer runs (of course you can butt up multiple lengths, but make an allowance for the driver locations

With all the above in mind our default LED tape is this : [Link: orlight.com]

They do a cove lighting plastering profile : [Link: orlight.com]

As well as a standard profile if you are going to make your coved ceiling our of timber / metal stud / plaster board : [Link: orlight.com]
Post 19 made on Monday August 13, 2018 at 12:46
lippavisual
Senior Member
Joined:
Posts:
December 2007
1,049
If you don't want hot spotting, then you need to spec the right product/profile for the location.

Use deeper/larger profiles when you are directly viewing the lighting. I use these profiles or similar: [Link: klusdesign.com]
This way, I can put 2 strips side by side and also stagger the LED placement, to help eliminate the hot spotting. The almost 1 inch depth, plus the staggering basically gives you a solid beam of light.

I only use the half inch profiles when the led's are not being directly seen. Therefore, you don't notice the hot spotting at all.
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