Q How much shrinkage in drying should we see in yellow-poplar and Eastern cottonwood lumber? A This sounds like an easy question to answer -- all I have to do is look up the numbers in a book. But ...

Drying shrinkage is caused by a loss of moisture from the concrete. It occurs after concrete hardens and continues months and even years depending on the slab thickness and ambient conditions. This ...

Editor’s note: This column was produced before Gene Wengert died in 2025. It is printed here in memoriam. Question: How much does lumber shrink in drying? We process red oak and yellow poplar mainly. ...