As a rough estimate, at 99.9% RH, wood will dry to an estimated 30% MC, 28% MC, or as low as 22% MC, depending on species. It is common to see 30% MC used, which means in the example, the air’s ...

To the editor: Right now in Los Angeles, we are seeing what happens when we build homes with wood framing instead of tilt-up steel reinforced cement walls that would be more fire-resistant.