Mahogany bridge refinishing - Woodworking Talk - Woodworkers Forum
 
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post #1 of 5 Old 09-14-2014, 01:47 PM Thread Starter
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Mahogany bridge refinishing

We have an outdoor walk bridge that connects our building to the pool area. It was done originally in 8/4 bandsawn mahogany. Over the years it has had some stains added on top that look solid but have since "worn through".
We would like to refinish back to the original finish that we can see underneath which may just be clear or lightly red stained. The wood has all the original band saw marks in it and makes a great non-slip surface.

Questions - Can we have this stripped without sanding out all the texture? Can we go back with a clear or slight stain finish on this wood and keep the non-slip finish? We'd like it to be a matte/natural finish but don't want the wood to turn grey.

If that's possible what product is best? And it's understood we may need to recoat regularly.
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post #2 of 5 Old 09-14-2014, 03:15 PM
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That's a bit of a tricky one. Nearly anything I can think of would probably remove some of the saw marks. If the stains are the biggest issue, I'd start with a pressure washer. The water stream is generally gentle enough to clean the wood without arpbrading it. If that doesn't work, personally Id go to a belt sander. You'd lose the band saw marks, but gain a smooth surface
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post #3 of 5 Old 09-15-2014, 09:22 AM
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You can strip the old finish without removing any of the texture. The stains from the wood being exposed to the weather from the finish being gone is another issue. It may take a lot of sanding to clean that up. Bleach would help but it will give a different look than the rest of the wood. It might be necessary to put a cutting blade on a angle grinder to work the stained places down and texture the wood.
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post #4 of 5 Old 09-19-2014, 11:37 AM Thread Starter
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Quote:
Originally Posted by Steve Neul View Post
You can strip the old finish without removing any of the texture. The stains from the wood being exposed to the weather from the finish being gone is another issue. It may take a lot of sanding to clean that up. Bleach would help but it will give a different look than the rest of the wood. It might be necessary to put a cutting blade on a angle grinder to work the stained places down and texture the wood.
What finish would you recommend after?
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post #5 of 5 Old 09-19-2014, 12:30 PM
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Have ya tried a wash of oxalic acid in a small spot. Might be an answer, and, if it works, you will retail the surface that you want.
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