Lumber

Lumber

Timber after it has been sawed and split into planks or other smaller components that can be used as building material.

Industry: Building materials

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Lumber

Closed grain

Building materials; Lumber

Lumber with narrow, inconspicuous growth rings. The term is sometimes used to designate wood having small and closely spaced vessels, but in this sense the term "fine textured" is more often used.

Gusset plate

Building materials; Lumber

Plates, often steel or plywood, fixed by nails, bolts or other means to connect lumber members in a truss or other frame structure. Gusset plates may be applied to one or both sides of a joint.

Recorder controller

Building materials; Lumber

An instrument that continuously records dry- and wet-bulb temperatures of circulated air in a dryer or kiln and regulates these conditions by activating automatic heat and humidification systems.

Sorting

Building materials; Lumber

Segregation of sawn wood items into groups that have similar characteristics, such as thickness, species, grades, and grain patterns, and into classes for stacking or racking, such as width and ...

Softwood

Building materials; Lumber

A general term for lumber of trees classified botanically as Gymnosperm. Commercial lumbers of this group are nearly all conifers. The term has no reference to the relative hardness of the wood.

Water-repellent preservative

Building materials; Lumber

A water repellent that contains a preservative which, after application to wood and drying, accomplishes the dual purpose of imparting resistance to attack by fungi or insects and also retards ...

A joint where a hole or slot known as a mortice (a) is formed in a piece of lumber to receive the reduced end of similar size or tenon (b) from another piece. The joint is often secured with wedges, ...