Lost a full day's pay on a maple slab because I didn't let it acclimate

Picked up a beautiful 8/4 maple slab from the yard last month for a live edge desk. It was kiln dried and felt good, so I just brought it straight into the shop and started milling. Big mistake. After I got it all flat and started cutting joinery, I noticed a tiny hairline crack along one end. By the next morning, that crack had opened up to a quarter inch. The slab was still adjusting to the shop humidity after being in a dry storage shed. I had to scrap the entire piece, which was about $300 in material, plus the whole day I spent working on it. Now I make anything that thick sit in the shop for at least a week before I even look at it funny. How long do you guys usually let thicker stock settle before you start working it?

2 comments

2 Comments

patricianguyen1mo ago

Honestly think the whole acclimation thing gets overblown sometimes. I've used plenty of kiln-dried slabs right away without any issues... maybe you just got a bad piece of wood.

ryan_flores1mo ago

Yeah, I've had the same thought for years. My shop is pretty stable, so I just bring the wood inside for a day or two to take the chill off and then get to work. I've built tables and cabinets that way and they're still holding up fine years later. It seems like some folks treat wood like it's made of glass, but in my experience, good quality kiln-dried stock is ready to go.