Maple Veneer Finish - Big Prob - Woodworking Talk - Woodworkers Forum
 
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post #1 of 11 Old 03-06-2016, 02:05 PM Thread Starter
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Maple Veneer Finish - Big Prob

Hello to all and thanks for your time and advice for others.

About three years ago I refinished my kitchen cabinets in maple veneer and applied minwax fast drying polyurethane - I THINK. Worked okay except I botched up two corners by over sanding them.

Trying to repair those corners - bought maple veneer and finished a test strip using minwax polycrylic - obvious color mismatch - not acceptable. See Pic.

Polycrylic will darken over time - not to worry? Refinish with fast drying polyurethane? Buy maple from different vendor?

????

All comments and/or suggestions would be greatly appreciated.


Regards


Andy
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post #2 of 11 Old 03-06-2016, 03:44 PM
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Probably most of the color difference was due to to the polycylic. The fast dry polyurethane will darken the wood more. It it still isn't enough then perhaps the wood and or finish has darkened over time. It might take mixing a very light stain to compensate for the aged wood. If the finish has yellowed over time it may take a little amber shellac to blend the color. Just be aware using polyurethane it would have to be a dewaxed amber shellac. This is something you probably would have to order in flake form and mix it yourself.
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post #3 of 11 Old 03-06-2016, 08:49 PM Thread Starter
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Thank you very much Steve.

I'm going to do as you suggested - I feel very confident that it will work.


With my regards and many thanks.


Andy
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post #4 of 11 Old 03-06-2016, 11:54 PM
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Be very patient. Not being experienced and not having a lot of supplies to work with it may take a few days of tinkering to match the color. I charge for four hours work to match a color and I've been doing it for years. Unless you get lucky it just takes everyone a lot of trial and error.
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post #5 of 11 Old 03-07-2016, 01:19 PM
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I would try sanding off the water based polycrylic, and applying the oil based polyurethane. after awhile if the tint isn't good, you can add a few drops of stain to the next coat.
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post #6 of 11 Old 03-12-2016, 03:46 PM Thread Starter
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Thanks Steve - I bought the amber shellac flakes but I'm not sure how to mix them with the shellac. Have a strainer, But ???. Just drop the shellac flakes into the poly and stir - I just don't know.

I would appreciate a few words on this.

Regards


Andy
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post #7 of 11 Old 03-12-2016, 03:50 PM Thread Starter
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Thanks Tim.

I'm going to try Steve's approach since I've already bought the amber flakes. As I just posted to Steve, I'm not sure how to use them to tint the poly.

I have more veneer than I need so trials aren't a problem. If the amber flakes don't work out I'll try the stain.


Regards,

Andy
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post #8 of 11 Old 03-12-2016, 04:24 PM
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it is too light for the pre-mixed amber shellac. perhaps the flakes can be controlled for the tint.
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post #9 of 11 Old 03-12-2016, 04:41 PM
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Quote:
Originally Posted by piggynose View Post
Thanks Tim.

I'm going to try Steve's approach since I've already bought the amber flakes. As I just posted to Steve, I'm not sure how to use them to tint the poly.

I have more veneer than I need so trials aren't a problem. If the amber flakes don't work out I'll try the stain.


Regards,

Andy
You don't want to tint the poly with shellac. The two products are incompatible. You seal and color the wood to the color you want and then finish over the top with polyurethane. It has to be a dewaxed shellac to put polyurethane over the top. You can finish over standard shellac with lacquer but not poly.
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post #10 of 11 Old 03-12-2016, 07:52 PM
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Quote:
Originally Posted by Steve Neul
. The two products are incompatible. It has to be a dewaxed shellac to put polyurethane over the top.
👍🏻 I would test any combination first to make sure you get the color the way you want it. I use mostly shellac to tone my wool and a little trans tint dye if I need extra pop to some grain. I have used polyurethane and poly acrylic over the top. I think most if not all finishes will bond to shellac.
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post #11 of 11 Old 03-12-2016, 08:41 PM
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���� I would test any combination first to make sure you get the color the way you want it. I use mostly shellac to tone my wool and a little trans tint dye if I need extra pop to some grain. I have used polyurethane and poly acrylic over the top. I think most if not all finishes will bond to shellac.
The main reason for the development of sealcoat is polyurethane won't adhere to shellac because of the wax content. Sealcoat is shellac however they refine it further and filter the wax out of it. Since a lot of folks like to use amber shellac for the color the filter the wax out of it but they dry it into flakes. I don't believe anyone has a dewaxed amber shellac already pre-mixed.
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