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

flooring

Building materials; Lumber

The covering of internal floors in a building. Lumber flooring includes tongue and groove strip flooring, parquetry, panel flooring, particleboard and plywood.

raised grain

Building materials; Lumber

Roughened surface of lumber and other wood products, particularly softwood, after planing, caused by the projection of earlywood or latewood above the surface.

slope of grain

Building materials; Lumber

In lumber and other wood products, the ratio of deviation of the grain from the long axis of a piece to the distance along the edge that this deviation occurs.

species

Building materials; Lumber

A subdivision of a genus in the classification of plants. Species of plants are distinguished by the characteristics of fruits, flowers, leaves, bark and wood.

mildew

Building materials; Lumber

A fungal growth that does not cause deep discoloration of the wood. Associated with mould, it usually appears as tiny black spots that cover the lumber surface.

bound water

Building materials; Lumber

Water molecules bound into the cell wall of lumber. They are weakly bound chemically to the molecules of the cell wall and energy is required to break them free.

cure

Building materials; Lumber

To change the properties of an adhesive by chemical reaction (which may be condensation, polymerization, or vulcanization) and thereby develop maximum strength.