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Storing thin (<0.5") stock to keep it flat

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Forum topic by HarveyDunn posted 01-23-2014 02:44 PM 773 views 0 times favorited 9 replies Add to Favorites Watch
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HarveyDunn

328 posts in 1195 days


01-23-2014 02:44 PM

A fellow box maker has kindly offered to give me two dozen board feet of thin (0.5”, 0.375” and 0.25”) boards. Domestic hardwoods, mostly. All flat and true. The boards are all acclimatized to his shop, and he’s a long distance away where the climate is very different from where I live. So I am concerned that these nice flat boards might start to cup or twist after they arrive. And it will be some time before I get to use them. So in the meantime, I can store them flat and sticker them. Anything else I can try to keep them flat?


9 replies so far

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David

198 posts in 2127 days


#1 posted 01-23-2014 03:00 PM

Put some weight on top of the stack to hold it flat.

-- Perilous to all of us are the devices of an art deeper than we ourselves possess. --Gandalf the Grey http://davidwahl.org/category/woodworking/

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alohafromberkeley

257 posts in 1868 days


#2 posted 01-23-2014 05:10 PM

I have a stack of thin woods, like yours from the description.I cut all my thin stock down to 3 ft or less. I don’t sticker, but have 2 plywood backer boards one in front and one in back. I use f-clamps on cauls to keep them together- Haven’t had any problems. I also have just stacked and weighted and encountered no problems. Just keep in mind that any thin stock that warps can be misted and flattened without major mishaps. Just treat it like thick veneer…..

-- "After a year of doing general farmwork, it was quite clear to me that chickens and I were not compatible"-George Nakashima

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HarveyDunn

328 posts in 1195 days


#3 posted 01-23-2014 05:13 PM

That is news to me – can you walk me through the steps?

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distrbd

2227 posts in 1910 days


#4 posted 01-23-2014 05:30 PM

Stack them in one/two bundles and put 3 or 4 straps on each.That’s how home depot receives these thin slats,they are also stored like that until they are put on shelves.

-- Ken from Ontario, Canada

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alohafromberkeley

257 posts in 1868 days


#5 posted 01-23-2014 06:08 PM

Stack boards of approx. equal width and length. Sandwich between plywood or backer wood ( poplar is good although I prefer 1/2 ” ply) Try to keep sandwich less than 6 inches thick. At this point you can either place cauls on both sides if stack (stickers work) I place cauls every 6-8 inches apart on both sides of stack and clamp them in place. I keep these stacks vertically in a dry area of my apt (I have no shop) Alternately, you could forget about the clamp/caul and wrap the stack with that commercial plastic wrap that warehouses use to ship items. A couple wood purchases (I only buy a few bdft of thinwood at a time) came wrapped this way. If you use plastic then make absolutely sure that all wood is dry otherwise mold will destroy the whole stack (DAMHIK!) If they’re not dry (6-8%MC) then stickering and weighting would be your best bet. If you’re asking about cupped boards, then lightly mist the cupped side and weight it down overnight. Concrete blocks, lead weights, whatever you have on hand making sure you protect the wood with a piece of scrap and/or a tarp Some of the best info on dealing with thin woods come from scrollsaw forums. Do a google search on them- even if you don’t have a scrollsaw, they have a plethora of info….Sorry, if this is too wordy, but I hope it helps just a tiny bit…..........Wes

-- "After a year of doing general farmwork, it was quite clear to me that chickens and I were not compatible"-George Nakashima

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HarveyDunn

328 posts in 1195 days


#6 posted 01-23-2014 06:10 PM

Wes, that was great, thanks. What do you use to check moisture content?

Incidentally, I just got off the phone with a boutique lumber mill that sells packs of thin lumber, shipped in plastic as you describe. He also says don’t sticker it!

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pintodeluxe

4855 posts in 2277 days


#7 posted 01-23-2014 06:12 PM

I stack them together and wrap them with cling wrap. Home Depot sells rolls of it with a handle attached for easy application. Wrap both ends of the stack and it will not only keep your stock organized, but flat too.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

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HarveyDunn

328 posts in 1195 days


#8 posted 01-23-2014 06:20 PM

Do you then use the boards straight from the plastic wrap? Or do you let them sit in the open air for a day or two?

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alohafromberkeley

257 posts in 1868 days


#9 posted 01-23-2014 06:30 PM

Harvey, I don’t have a moisture meter, but I’ve heard that a cheap one works IIRC, Harbor Freight for under $20.(That boutique dealer wouldn’t be Cook Woods? I’ve bought 2 leaves of veneer from them that were sandwiched between 1/4” plywood then wrapped in plastic wrap then put in a cardboard sleeve all that was placed in a well sealed flat box! ) BTW, is it two dozen bdft or two dozen square feet? Big difference.

-- "After a year of doing general farmwork, it was quite clear to me that chickens and I were not compatible"-George Nakashima

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