The problem was, the particular piece of mahogany I had selected as the dash beam developed a really high-contrast, "striped" look to the grain when coated with epoxy.
While maybe this didn't look "bad," it was a bit of a leap from the look I wanted. The highlights in the grain were almost the same brightness as the epoxy-coated cherry inlay. It was all just more visually distracting than I wanted it to be.
After all the work I had put into the dash beam, I was not inclined to build a new one from a tighter-grained piece of wood unless it became absolutely necessary. So, I began to consider using a stain for the aft face, (the actual dashboard), in order to darken the piece overall — especially the highlights.
Another builder had some success with the Minwax Express Color water-based stains. I'd bought a tube of it several years ago, based on his recommendation. There was still a bit left, so I experimented on some scrap mahogany to see how it would look.
|One coat, and two coats of Minwax Express Color "Mahogany" compared to my epoxy-coated dash beam.|
It was the ONE color of the stuff that was out-of-stock at my local Ace Hardware. At Home Depot, where I'd bought it originally, the Express Color product was NOWHERE to be seen. Lowes? Hey... they compete with Home Depot, so they didn't have it either.
Back to the drawing board.
A little online searching led me to this article, Epoxy Adhesion Over Stains on EpoxyWorks.com: http://epoxyworks.com/index.php/epoxy-adhesion-over-stains/
In a nutshell, the article covered adhesion tests of West System epoxy to wood treated with a variety of stains. They tested stains dried for 24 hours and for 4 days. Minwax Gel Stain was one of several that passed BOTH tests. So, I decided to try it.
I tested both the "Mahogany" color and the "Red Elm" color on some scrap mahogany. The "Red Elm" stain produced a darker color, with a stronger red hue on my test piece. It also seemed to darken the highlights in the grain proportionately more than the "Mahogany" stain.
|One coat each of "Mahogany" stain (top) and "Red Elm" stain (bottom) on my test piece of mahogany.|
|DURING. A "liberal amount of stain, evenly applied."|
|AFTER. Per the instructions, I let the stain sit for 3 minutes, then wiped away the excess.|
Now, I'm going to give it at least 4 days to dry. Then, I'm going to hope and pray that System Three Silvertip epoxy adheres to it as well as the West System epoxy in the tests.