Old hardwood discolored after sanding


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Old 03-06-23, 09:35 AM
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Old hardwood discolored after sanding

There were some scratches my metal boot loops made. I thought they were just in the poly and I could sand them out. The wood got much lighter in the spots I sanded. Why'd this happen? How do you fix it? Do I have to refinish the entire area? It's just a small foyer, but I'd still rather avoid that.


 
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Old 03-06-23, 09:40 AM
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Take a rag wet with mineral spirits and wipe across it. If it looks ok while still wet, it will be fine once the poly is applied. While it would be best to poly the entire foyer you can get by just doing individual boards.
 
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Old 03-06-23, 09:48 AM
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Thanks for the response! I should have been more thorough in my initial post, I left some things out.

Honestly, it's been like this for about 5 years now, and I finally want to fix it.

I did put poly over these spots hoping it would fix it, but it didn't. Unfortunately I don't remember what type of poly I used. I think I might have used water based poly. Is that my issue? I wonder if oil based poly would darken it up a bit and make better, or a little better?
 
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Old 03-06-23, 12:21 PM
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Oil base poly over raw wood will deepen the colors naturally in the wood. Water based poly will not. For oil poly to deepen the wood color now you'd need to first remove the waterbased poly - assuming that is what you used.
 
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Old 03-06-23, 12:42 PM
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Yep, looks like that was the culprit, using a water based poly the first time.

I went out and got some oil based poly. Sanded over the existing spots, put some oil based poly down, and it is 100 times better. Thanks!
 
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Old 03-06-23, 01:20 PM
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Glad it worked out for you
 
 

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