Glow in the dark road sign - Woodworking Talk - Woodworkers Forum
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post #1 of 7 Old 09-02-2017, 07:59 PM Thread Starter
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Glow in the dark road sign

I am making a roadside sign for our lake home. I have routered the lettering on both sides of an 8" x 48" x 1.5" live edge oak plank. I would like to have the lettering painted with a dark glow in the dark so it would be visible during the day as well. I would then apply a marine finish of Waterlox to seal it.

Any thoughts on the glow in the dark paint? Where to buy? Spray or brush? Thoughts?

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post #2 of 7 Old 09-02-2017, 08:38 PM
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Probably what you need is reflective paint. The material that actually glows in the dark doesn't glow for very long after the light is turned out.

About the oak, keep in mind that white oak does well for outdoor projects but red oak tends to turn black and rots easily.

I would do the waterlox first and put the reflective paint over the top last. The waterlox is going to yellow with time and might interfere with the reflective properties of the paint.
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post #3 of 7 Old 09-02-2017, 10:41 PM
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Very good advice. Keep in mind the reflective paint, the good stuff, has reflective beads of glass suspended in it so be sure to let the paint dry with the sign laying flat so the beads dont migrate any. Ive never seen reflective in dark colors, good luck locating it!
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post #4 of 7 Old 09-05-2017, 07:24 PM Thread Starter
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I have ordered white acrylic paint with high index type 3 powder to do the lettering. As Steve suggests, I will finish the sign first with Marine Waterlox, apply the acrylic paint in the letters and finally sprinkler the powder on the wet paint. Here is a link to the paint/powder combo:

I will post a couple of pix when done.
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post #5 of 7 Old 09-06-2017, 03:09 AM
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Go back in time and get some radium paint they used to use in watches and clocks.. Nothing like a good old radioactive sign in the front yard! WARNING! IF YOU ARE READING THIS YOU'LL BE BLIND NEXT WEEK and develop cancer the following week!
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I figured it's time to change my signature so hold your breath. This is it.
Impressive, huh?
Marty or Marty Farty if you feel mean.
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post #6 of 7 Old 09-22-2017, 10:16 PM Thread Starter
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The sign is done and I think it turned out great. You can't tell here but at night when the headlights hit it, the reflective beads do their job! Now the question will be how it holds up. I am expecting the Marine Waterlox to hold up quite well. The reflective beads are on top of the Waterlox.
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post #7 of 7 Old 09-23-2017, 09:15 AM
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Nice job, very good looking sign. Like anything in direct sun, you will likely need another coat in two or three years.
In anycase it's easy to read, and easy on the eye's so a job well done in my book.

"Error of opinion may be tolerated where reason is left free to combat it"

Thomas Jefferson
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