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Oliver (Prof. Henry)
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Discussion Starter · #1 ·
I made this patio sign out of 15lb Precision Board from InteState HDU. The material is a joy to work with because it cuts so easily and cleanly. The HDU holds fine detail well, and you can cut to a full depth even with somewhat fragile bits like the Whiteside 11º SC50 bit which has a needle-like point.

The most significant problems with using high density urethane are availability and cost. I can only get it online, and the price for a 24” x 24” x 1” is about $80 plus shipping. Needless to say, I save it for special projects. This sign blank was 8” x 24”, so the material was about $27 which isn’t that outrageous. This sign will be exposed to the weather and HDU’s impervious nature makes it ideal for this installation.

The painting was a bit tedious, but the HDU takes all paints well. The sign has a combination of water-based and oil-based paints. HDU, unlike styrofoam, is not affected by solvents like paint thinner or lacquer thinner.

So, I like it, and I would use it more often if it weren’t for the cost and availability.
 

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Rick
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Great outcome Olive, love the paint as always . Nice details on the Fox , and like how you added to the glasses .
I have to say every time I see you and others talk about that material, it sounds like such a great option.
I’m assuming because it’s petroleum based ,that there would be no concerns about future warping or splitting etc .
Shame about the price though , and to think it would be double for me
 

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As always you do such nice work, Oliver. If you could get the paint to hold up in the weather you would really have something. Just think you could a customer a lifetime guarantee and charge more money. :wink:
 

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Ollie,

email this guy - [email protected]. He'll send you a free sample of Corafoam and tell you the closest place that handles it. Great stuff. There are also other places that sell it online cheaper than you're paying....... I think. A 4 x 8 sheet should be less than $200. Comes in thicknesses up to 4".

US HQ is by M T Stringer - Baytown or Bayview TX.
 
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Mike
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Oliver another great sign. I would have used a 15 deg v-bit and mine would not have looked anywhere as good as your's. Might have something to do with the fact that I can't paint.
 
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Theo
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I like that, and saved the picture, in case I want to copy it one day. But if I copy it, I will make it the grumpy old man version - at the bottom it will read 'now leave'.
>:)
 
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Oliver (Prof. Henry)
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Discussion Starter · #10 ·
@MEBCWD
I did use a 15º V bit for the majority of the sign, Mike. The SC50 was used for the face detail, and a 3/16" spiral for clearing out the majority of the background. I used a 1/8" ball nose for the texture.
@hawkeye10
I used exterior house paint for the background colors, Don, so they should do well. Those sample color mixes you can get from Home Depot are very handy for small projects.
@honesttjohn
Thanks HJ, I will check out the alternate source. I purchased from InterState HDU because they were the only place I found that sold in other than full sheets.
 
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