Storing lumber and how to prevent cupping in a tabletop.

The Wood Doctor also settles a debate about cutting maple timber.

Andiroba (Carapa guianensis) is found throughout Central and South America, from Cuba to Peru and Brazil. It is an extremely tall tree, reaching heights of 100 to 170 feet. Diameters are often 5 to 6 feet. The central stem is often straight and free of branches for 50 feet or more. As a result, clear lumber is common.

Characteristics of incoming lumber affect yield, processing costs, and ultimate quality of what you manufacture.

Soft, light, low strength, but resistant to decay, insects.

Also a question about streaking stains in cedar.

One of the seven "true fir" species to produce commercial lumber.

Other questions to the Wood Doctor include pine pitch problems and how pine pitch was once an important resource.