lumps in rough stock - will they reappear in dressed boards?

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Forum topic by AaronK posted 07-13-2010 05:45 PM 1308 views 0 times favorited 3 replies Add to Favorites Watch
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1506 posts in 3493 days

07-13-2010 05:45 PM

I’ve got these cherry boards that I got from a local sawyer. they’re air dried, and are pretty nice. In the rough, the boards are “lumpy”. There are swirls in the grain around points that are almost very tight knots – no knot actually there, just all the wood is in rings around these points. it looks like as the wood has dried, the density gradients have caused less shrinkage around these nodes, so they formed crests. now, I’ve planed the stock and it’s all smooth now. should I be worried that seasonal fluctuations are going to give me these hills again?

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View PurpLev's profile


8536 posts in 3677 days

#1 posted 07-13-2010 05:48 PM

I doubt that humidity fluctuations will cause those areas in the board to significantly change more than the rest of the board as it’s all the same lumber type and will absorb humidity about the same.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

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2727 posts in 3796 days

#2 posted 07-13-2010 07:18 PM

I think you will see a difference. Kind of like how wooden pegs will stick out after a year. but they again that’s only a difference of a few thousandths of an inch depending on how dry your stock was to begin with. So I don’t think it will be too much of a problem.

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1506 posts in 3493 days

#3 posted 07-13-2010 10:42 PM

hmm, guess I’ll just have to see! one problem is that it’s extremely humid here right now, so I might be looking at some contraction later this year. thanks for chiming in.

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