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We often see sawdust of various particle size, but nothing that size.  I was raised in a town that had several furniture factories and sawdust was cheap/free.  Every couple of years someone would die when buried in the huge piles.  The planers, gouges and shapers would make large chunks of wood and that was used to fire the boilers.

There was a wood bowl factory that produced coarse sawdust in strands.

Seems like weight would be an issue.

Don't know.

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Perhaps there was more than one process, like wood tailings cut into short pieces to sell as insulation.  Good way to make money off of scrap.

I don't know what sort of machine could cut the tailings that way.  Mulcher?  The kind arborists use to mulch branches?

Edited by Marc
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They don't look anything like the chips that come off my planer, but I just have a little wuss planer. 

Given that they look like cedar, I was wondering if they might be related to the production of those milled cedar sidewall shakes that were so ubiquitous in the middle part of the last century. 

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Right, if you took the trimmings from a shingles mill and smashed them up they'd look like that. The block cutters try to make an accurate cut, but they are bucking logs with a chain saw. At the mill, the blocks are split into blanks and trimmed to 18" for standard sized shingles.

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On 7/13/2017 at 11:11 PM, Jim Katen said:

They don't look anything like the chips that come off my planer, but I just have a little wuss planer. 

Given that they look like cedar, I was wondering if they might be related to the production of those milled cedar sidewall shakes that were so ubiquitous in the middle part of the last century. 

Right, Jim, but larger planers, like the ones in commercial grade chippers used to grind up limbs, make the big chips.

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I think it would work, but I'd be nervous about having it up in a hot attic unless it was treated so it wouldn't burn.

I don't know how true it is, but someone once told me that Silva Wool was tossed into a tank filled with a water/borate mix and then stirred for a certain amount of time to ensure it absorbed enough borate to make it fire resistant. Then the solution was drained away and the Silva Wool was dumped into a big tumbler and air dried before it was packaged.

If I was going to put that stuff in my attic, I'd probably try and duplicate that Silva Wool technique on the stuff first so I wouldn't ever have to worry about the stuff spontaneously combusting in a 130° attic.

ONE TEAM - ONE FIGHT!!!

Mike

 

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