Re: Smooth Ampersand Clayboard & Acrylics
The clayboard will be very absorbent so working in washes like watercolors would work well until enough paint builds up to seal the surface. You can certainly work with more opaque layers but the paint will dry very quickly on this type of surface. I agree that the slick, smooth surface is not to my liking. I would rough it up a bit by going over it lightly with some sand paper so it has a bit of "tooth" to help grip your paint.
You can put some gesso on it to seal the absorbent surface if you like. I would still rough up the clay surface a little with sandpaper before applying the gesso.
As far as hanging it, it depends on the thickness, whether it is cradled or not. If it is a single thickness board, I would pop it into a frame like an oil painting to hang it. If it has the thick sides that can be painted, stained, or left plain, you can hang it as is if you have finished the sides.
Next time, you might want to try Ampersand's gesso board or even their pastel board. The pastel board has a surface that feels like fine sand paper. It also happens to be a great surface for acrylics. No gesso needed.
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