Milled Lumber #1: Dealing with walnut slabs

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Blog entry by rmant posted 11-10-2020 01:56 PM 423 reads 0 times favorited 2 comments Add to Favorites Watch
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I recently had a huge walnut tree milled into 12 and 8/4 slabs x 10’x 24” . They are stickered and stacked in the shade. The question: Would you spray the wood for bugs? If so, what would you use?


Rick Mantell

2 comments so far

View ZachinIowa's profile


53 posts in 635 days

#1 posted 11-10-2020 03:00 PM

Hi Rick, I am the farthest thing from an expert on this but I would definitely do something to protect from bugs. I just had an Ash tree milled and put inside my attached garage last year. I got all sorts of bug damage (and not from the Emerald Ash Borer). I don’t know if Ash is more susceptible but it put me in a pretty bad mood when I realized I would now have to pay for kiln drying to make sure I didn’t build something with larvae in the wood and welcome a bug infestation into my home! I’ll let someone else who is more knowledgeable recommend a specific product, but I would certainly do something. Maybe there are some non-chemical ways to keep the bugs off…?

-- Zach

View TheSnekkerShow's profile


25 posts in 723 days

#2 posted 11-15-2020 03:07 AM

I’m also not an expert on the matter, but I’ve used a few different approaches. Sometimes if I already know the wood is infested I’ll spray the stack with general insect killer, but it’s not my preferred approach since I’m going to cut and sand that wood eventually. I’ve used bug bombs in a detached garage, but if you get powder post beetles in the wood neither option will likely kill all of the larvae. Considering the potential value of that stack of walnut, I’d be more inclined to just build a makeshift kiln over it after letting it air dry, or even pay someone with a kiln. You have some time to plan.

-- Ben --

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