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Forum topic by NoSlivers posted 12-20-2009 07:37 PM 828 views 0 times favorited 8 replies Add to Favorites Watch
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NoSlivers

210 posts in 2558 days


12-20-2009 07:37 PM

I am trying to finish a gary oak box with satin poly. The grain is rather figured and there is one portion that looks lighter, almost like sapwood. The problem is that portion is either repelling or absorbing the finish. I am not sure whether its due to the figuring (it isn’t “endgrain”, but it isn’t straight grain either) or if it’s the wood itself.

stubborn spot

Is this a common problem with poly? Do I just need to apply a different finish on this?

The project itself

-- If you don't have time to do it right, do you have time to do it twice?


8 replies so far

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Andrew

709 posts in 2666 days


#1 posted 12-20-2009 07:46 PM

Put a spit coat of shellac, or poly on it then use a gel stain to blend it together, works really well. Of course you can poly over that after the stain has been wiped off and dried.
Good luck

-- Even a broken clock is right twice a day, unless, it moves at half speed like ....-As the Saw Turns

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a1Jim

115207 posts in 3045 days


#2 posted 12-20-2009 08:00 PM

I’m not sure what a spit coat of shellac is but I’m guessing it’s the same as a 1lb pound cut coat of shellac
and that’s what I suggest also. If you have poly on it already you need to sand down to bare wood. Also the finer you sand the wood the more it blocks stain and poly so if your finer than say 150 grit you might want to rough it back down to 150 grit. after your full coat of poly you can sand it to 400 -600 if you want.

-- http://artisticwoodstudio.com Custom furniture

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NoSlivers

210 posts in 2558 days


#3 posted 12-20-2009 08:15 PM

Thanks guys. I’m learning that I can’t always count on someone here to supply a quick answer. This is an incredible asset to a beginning woodworker. Much appreciated. And Jim, I’ll have to rough it up, I already hit it with a ROS to 600, and then even further by hand

-- If you don't have time to do it right, do you have time to do it twice?

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LesB

1237 posts in 2911 days


#4 posted 12-20-2009 09:15 PM

It looks like you have a “soft” spot in the wood that is absorbing the finish. As the fellows above said you can try sealing it with shellac but if you already have poly on it I would just keep adding poly to the spot until the wood is finally saturated (dry between applications) and then work on the final overall finish. I would guess that it would take 5 to 8 coats to saturate the soft wood to where a surface finish will start to build.

-- Les B, Oregon

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Andrew

709 posts in 2666 days


#5 posted 12-20-2009 10:55 PM

Jim is right a spit coat is 1 # cut, I guess I could have been more specific

-- Even a broken clock is right twice a day, unless, it moves at half speed like ....-As the Saw Turns

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a1Jim

115207 posts in 3045 days


#6 posted 12-20-2009 11:07 PM

I’m sure glad it wasn’t spit ! LOL

-- http://artisticwoodstudio.com Custom furniture

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NoSlivers

210 posts in 2558 days


#7 posted 12-20-2009 11:39 PM

Andrew, Thank Goodness!! I had visions of the traditional shoeshine boys working up a shine on fine leather, all the while looking at the box and scratching my head! ;) I was thinking, “If my wife were to see me dribbling saliva all over my projects she’d feel obligated to have me committed!” (I’m teetering on the edge as it is) Ha, Ha
I roughed it back up as Jim suggested, then just hit it with several thin coats of poly, buffing each lightly, and just kept adding another coat about every 45-60min. It’s soaked up everything at the center but it’s saturating from the edges inward. Thanks Les B for finding a constructive way of telling me to be patient and just stay with it.

Is this a common occurrence? I haven’t seen anything else soak up this much finish yet, but I’ve only started really trying to work with wood this year.

-- If you don't have time to do it right, do you have time to do it twice?

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a1Jim

115207 posts in 3045 days


#8 posted 12-21-2009 12:45 AM

Funny stuff No slivers:-))
If you have been sanding everything to 600 grit that might be why other items are not soaking up finish.
If you precondition woods that might blotch with the 1lb cut of shellac it will soak up a little less also but it’s a good safeguard.

-- http://artisticwoodstudio.com Custom furniture

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