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Forum topic by DebRes posted 04-27-2015 09:00 PM 571 views 0 times favorited 3 replies Add to Favorites Watch
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DebRes

2 posts in 592 days


04-27-2015 09:00 PM

I am having problems with raised areas in the finish coats where scratches were before stripping, sanding, and finishing. (I do have a picture of an area if explanation is not clear) This has never happened before. I strip the pieces in an alcohol flow system, after dried sand the piece, stain, and then clear coat. I use general finishes products, since they have “improved” their high performance I’m not sure if this could be the problem. I called tech support but they said they have never heard of this problem before. If anyone has any suggestion it would be greatly appreciated.


3 replies so far

View WoodNSawdust's profile

WoodNSawdust

1417 posts in 643 days


#1 posted 04-27-2015 09:07 PM

Try sanding after first coat of clear coat. Perhaps the stain or clear coat causes the grain to raise more where the scratch had damaged the wood.

It is always good to sand after the first coat of finish (in your case the clear coat). You can use the finish as the lubricant as you sand and then wipe it off.

-- "I love it when a plan comes together" John "Hannibal" Smith

View DaleM's profile

DaleM

952 posts in 2850 days


#2 posted 04-27-2015 11:28 PM

I’ve seen the same thing if I’m understanding you correctly. I’ve sanded scratched areas smooth, then painted or applied a water-based finish and the the scratches rise. WoodNSawdust got it right I think. You sand out the scratches, but there is still compressed wood from the scratch. You only mentioned wetting the wood with alcohol prior to staining and finishing, not wetting with water. I would try wetting it with water and letting it dry, then sanding it smooth. An even better solution for your next piece is is after stripping it and prior to any sanding, wet down any scratched areas and hold an iron on it to steam the scratches out as much as possible, then sand it. That should eliminate any possibility of any area of wood wanting to rise more than any other.

-- Dale Manning, Carthage, NY

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DebRes

2 posts in 592 days


#3 posted 04-28-2015 11:25 AM

Thanks for the replies. I will try these suggestions on the next piece I have problems with. I just been baffled by this, I have been refinishing for years and never had this problem before. Thanks Again.

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