Then came time for the pennies... It took more pennies than I thought it would...
It took a while to get the pennies all set the way I wanted.
I almost stopped there and decided to just glue the pennies... but since I already had the epoxy I figured I might as well keep on keeping on. I used this, it's a two part epoxy that you mix together and pour on to give it a thick bar-top type finish. There are better things to use I'm sure but it's coffee table that I don't expect to be under a lot of wear and tear and that stuff I could quickly and easily pick up at Home Depot.
Mixing it was tedious, you have to be careful. Make sure to use a bowl you can throw away when you're done because cleaning it up is next to impossible. I picked up one at the dollar store as well as a cheap plastic spoon for stirring it as well.
Make sure what you are covering is on a flat surface, you'll need to help spread out the epoxy after you pour it on the table.
I found I needed something to be able to push a few of the pennies back into place as well for about 20-30 minutes as everything set. I used a pair of cheap bamboo chopsticks I had left over from take out. There were also a few air bubbles that I needed to pop as well. I kept a pretty close eye on it for nearly an hour to try to keep bubbling and shifting to a minimum.
Pretty darn happy with it! I don't have a good picture of it but in this case it might have needed more epoxy for a completely smooth finish. It took 3 days before I was comfortable that it was cured enough to bring into the house. What we noticed as it dried though was that it shrank a bit. So you can actually see little divots between each penny, giving it a slightly textured finish instead of completely smooth. The Main Man thinks it adds character. :)
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