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Preventing Tool Rust

An accidental discovery by one reader leads to rust prevention on tool beds and tables.

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Comments (2)

When I turn on the heat in my uninsulated shop, you can almost watch the rust form on the machined surfaces of my tablesaw, jointer, etc. I tried commercial rust preventers, but they didn't last long or transferred to my project materials.

Purely by accident, I found that spar varnish, sprayed on my machine tabletops, effectively prevents rust. After a light sanding with 400-grit paper, the surfaces are shiny and smooth, with no transfer to my workpieces. It's been more than 6 months since the treatment, and I've not seen a speck of rust.

- John Gaeler, Keswick, Ont.

Rust Busters

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Comments (2)

peglang1 wrote:

I just did some research. I better go turn that fan off. Looks like my problem is worse than rust. But thanks for the tip, John. Stay warm up there this winter.

9/5/2011 12:37:02 PM Report Abuse

peglang1 wrote:

Do you get rust on the unprotected surfaces? I was thinking of the sides or underneath of your table tops. My shop is insulated. I have a problem with mildew. Will the problem stop when I turn the heat on? I've been keeping the ceiling fan going the last few weeks. Tonight I turned on some brighter lights and saw the growth on the edges of the Melamine, some plywood and a piece of leather.

9/5/2011 12:38:18 AM Report Abuse