12 Terms
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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
Earlywood
Building materials; Lumber
The early part of a growth ring, consisting of pale inner wood with thin walls, formed in the spring and early summer. Also known as springwood.
Eight quarters
Building materials; Lumber
The thickness of a board "in the rough" is defined in quarter inches. Four quarters (4/4) is actually 1" thick. Five quarters (5/4) is 1-1/4" thick etc. Therefore, an eight quarters (8/4) board ...
Design span
Building materials; Lumber
Span used to calculate the strength and deflection of a member usually measured from centre to centre of the bearing surface at each support.
Double hung window
Building materials; Lumber
A window that has a top sash and bottom sash, both of which move up and down.
Heat gain
Building materials; Lumber
Heat coming into a home from sources other than it's heating / cooling system. Most gains come from the sun.
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