Michael Dresdner

straight talk about wood finishing

Archive for the 'polyurethane' Category

Jewelry finish

Wednesday, November 24th, 2010

Q: What would be the best non toxic finish I could use on jewelry made from wood? A: I’m not sure what you mean by non-toxic, as that is a term used typically for things we ingest. If you mean that the finish itself is edible or drinkable in its liquid form, that would include [...]

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Over toning lacquer

Thursday, November 11th, 2010

Q: I used a toning lacquer to color the wood. I want to put polyurethane over it. Can I do this? A: Yes, you can.

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Bigleaf, big pattern

Tuesday, September 28th, 2010

Q: I am making a cabinet door of solid cherry with a quilted maple panel. I want a bit of contrast between the cherry and maple and to show off the quilting in the maple. I was planning to stain the maple with a cherry color oil based stain and sand it lightly with 600 [...]

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Auntie Oxidant

Friday, September 24th, 2010

Q: I made some replacement handgun grips of cocobolo. Realizing that cocobolo has a lot of natural oils in it I first sealed it with shellac, then filled the pores with a product called z-poxy. I then sanded and applied one coat of Minwax polyurethane. Three weeks later I can make a thumb print in [...]

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Glazy days of summer

Monday, August 30th, 2010

Q: I’ve stained and sealed with Zinsser SealCoat and plan to glaze with a Van Dyke oil-based glaze. I wanted to top with Zar Interior Polyurethane antique flat, but Zar says polyurethane will delaminate off either the glaze or SealCoat, which has no wax, but may contain stearates. Now what? A: First, SealCoat contains no [...]

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Oil based lacquer?

Thursday, August 19th, 2010

Q: Can I put oil based wiping polyurethane over oil based spray lacquer? A: The simple answer to your question is yes, you can put oil based polyurethane, whether wiped, brushed or sprayed, over almost anything, including lacquer. For the record, though, lacquer is, by definition, an evaporative finish, while oil based finishes are, by [...]

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Gel varnish, still hiding

Wednesday, July 7th, 2010

Q: I have used the gel varnish that was sold at Rockler for a number of years with outstanding results. Since Rockler no longer carries it and there appears to be a company change taking place I am wondering if there is another brand of gel varnish you recommend. A: That particular gel polyurethane was [...]

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Hungry rocker

Friday, June 18th, 2010

Q: I just finished my fifth Maloof style rocker and have not been happy with finishing results yet. On the latest I just applied my second coat of Danish finish. I followed the instructions and wiped both coats dry. I want more shine; what can I put on top of the oil? A: You have [...]

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No fade, no shade

Tuesday, June 15th, 2010

Q: We are in the process of making a dining room table out of solid padauk and purpleheart, and wanted to know the best way to finish it. We would love to be able to keep the colors of the natural wood, without ambering over time. A clear, durable finish would be great as well. [...]

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Fishy finish

Monday, June 7th, 2010

Q: I stripped an oak fish tank stand and applied two heavy coats of espresso colored Varathane oil stain, leaving it sit one hour before wiping it off. I then applied two heavy coats of Watco Teak Oil and left them overnight. I found a sticky, gooey mess in the morning. When I tried to [...]

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