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

Balusters

Building materials; Lumber

Spindles that help support a staircase handrail.

Band joist

Building materials; Lumber

Piece of lumber to which the ends of the joists are nailed or screwed. Critical to the strength of the floor system because it holds the regular joists in their vertical position.

4x4 knotty pine

Building materials; Lumber

A board of random width that is 1" thick and is of the species Knotty Pine.

Air drying

Building materials; Lumber

A method of seasoning wood that allows covered stacks of cut lumber to dry naturally in open air.

Air space

Building materials; Lumber

The area between insulation facing and interior of exterior wall coverings. For best results, manufacturers recommend filling this space with insulation and allowing at least 3/4" air space in ...

Annual ring

Building materials; Lumber

The rings that are generated each year as a tree grows. The age of the tree can be determined by counting the growth rings. The size of the rings can also indicate what type of growing season ...