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

Comprehensive regional assessments

Building materials; Lumber

A joint assessment of all forest values (environmental, heritage, economic and social) undertaken by the Commonwealth and State – leading to the establishment of a CAR reserve system, agreements on ...

Forest

Building materials; Lumber

An area incorporating all living and non-living components that is dominated by trees usually with a single stem and a mature or potentially mature stand height exceeding five meters. The existing or ...

Shrinkage

Building materials; Lumber

The reduction in dimension or volume which takes place in lumber when the moisture content is reduced below fibre saturation point, expressed as a percentage of the original dimensions or volume. ...

Diamonding

Building materials; Lumber

The change of a square or rectangular section lumber to a diamond shape during drying. Diamonding occurs where the growth rings pass through diagonal corners of the section of the piece and is caused ...

Compression set

Building materials; Lumber

Set that occurs during compression, which tends to give the wood a smaller than normal dimension after drying. Compression set is usually found in the inner layers of wood during the later stages of ...

Diaphragm

Building materials; Lumber

1. In a beam, an element at right angles to the span with the function of connecting the beams so that they resist load as a unit. 2. A relatively thin, usually rectangular, element of a structure ...

Durability

Building materials; Lumber

1. The natural resistance of lumber to biodeterioration due to fungi, insects and mechanical break down caused by weathering, checking and splitting. 2. In building, the efficacy of details in ...