Wood Turning

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Glue line problems (self.turning)

submitted 1 year ago* (last edited 1 year ago) by Golfnbrew to c/turning

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No photos, just a question. When I do a glue up piece for a lamp or bowl, after I am finished, it's in the house, and after a week or two, I can feel the glue lines. Finished smooth as a baby's butt, satiny, and a week later,... Ugh!

Do I need to postpone the finish work, from lopping off tenons to applying the finish (poly, or wax, or danish oil, etc)? Remount after two weeks and re-sand?

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[–] [email protected] 2 points 1 year ago

I've noticed the same with laminated pieces. While I've never bothered to solve this problem I think you're on the right track, treating it more like a twice turned bowl.

[–] Spacebar 2 points 1 year ago (1 children)

Use Tightbond 1, not the 2 or 3 or another brand. You will get much less movement that way.

Also, if your wood is not super dry, you can get movement too.

If you still have problems, let the piece sit unsanded for a week or 2, as you suggested, then finish it up.

[–] Golfnbrew 2 points 1 year ago

Yeah, I have a gallon of T1, only quart of T2. My go-to is Tightbond1. I have a moisture meter, as I turn green wood occasionally. The segmented bowl (another post) was all dry wood. The only thing different was garage vs inside. I guess I will patient and re-sand after two weeks inside.