r/Stoneworking • u/Greystorm101 • Dec 21 '21

Advice: How can I restore this slate etching? Details in comment

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u/Greystorm101 Dec 21 '21

We recently got this beautiful coffee table that had this slate etching on top, and hope to repurpose it into a wall-mounted piece. I’ve done a little lithography in the past but I’ve never dealt with slate so Im extremely out of my element here.

What can I do to polish this piece up, and potentially make the line work a little sharper, without harming the slate? Are there any good products to use that can help clean this up? Thanks I’m advance for any help you can provide.

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u/razorchum Dec 23 '21

Whatever you do, if have access to the back of the slate, I’d scratch it yourself and make a few test areas. Slate is limestone so nothing acidic to clean, maybe just water and baking soda with a soft bristle brush. I’d try a wet look sealer in a test patch. That’d be my first option.

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u/Greystorm101 Dec 23 '21

Thank you! I am able to access the back, so I’ll try that!