Also questions about calculating wood product costs/profit and sandpaper loading.

African padauk, the more commonly seen species of padauk lumber in North America, grows in central Africa, including Gabon, Congo, Cameroon, Nigeria and Ivory Coast.

The Wood Doctor answers these common questions.

American holly, the state tree of Delaware, is a fantastic tree, with brilliant red berries and dark green leaves that are popular decorations during the Christmas season, but it is mostly known in woodworking circles as one of the whitest woods known. 

Gene Wengert, the Wood Doctor, answers questions about end checks in maple, sanding, and using PEG to stabilize wood.

The Wood Doctor also answers questions about white and red oak, and why doors warp.

Andiroba's grain and color appear identical to Honduras mahogany, so it is used for fine furniture, cabinetry and flooring.

The Wood Doctor also answers questions on using wood waste for landscaping, and cracks in 'mineral' maple.

These two unrelated species have almost identical properties.

Also known as a "true fir," balsam fir is most often used for building construction.