In the United States and Canada, milled boards are called lumber, while timber describes standing or felled trees.
In contrast, in Britain, … See more

Dimensional lumber is lumber that is cut to standardized width and depth, often specified in millimetres or inches. Carpenters extensively … See more

Defects occurring in lumber are grouped into the following four divisions:
Conversion
During the process … See more

Timber framing is a style of construction that uses heavier framing elements (larger posts and beams) than modern stick framing, which uses smaller standard dimensional lumber. The timbers are cut from log boles and squared with a saw, broadaxe or adze, … See more

The basic understanding of lumber, or "sawn planks", came about in North America in the seventeenth century. Lumber is the most common and widely used method of … See more

Logs are converted into lumber by being sawn, hewn, or split. Sawing with a rip saw is the most common method, because sawing allows logs of lower quality, with irregular grain and … See more

Under proper conditions, wood provides excellent, lasting performance. However, it also faces several potential threats to service life, including … See more