14 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
flange
Building materials; Lumber
In beams, the longitudinal ribs of a built up member primarily intended to resist flexure. The flanges are joined by a web.
geodesic
Building materials; Lumber
The shortest line between two points on a surface, such that a geodesic dome is segmented into a series of straight elements
quarter cut
Building materials; Lumber
A method of slicing veneers whereby the average inclination of the growth rings to the wide face is greater than 45 degrees.
brown rot
Building materials; Lumber
In wood, any decay caused by fungi that attack cellulose rather than lignin, producing a light to dark brown friable residue.
cladding
Building materials; Lumber
The external covering or skin of walls of a building. Lumber cladding includes natural or treated lumber boards, and plywood.
cripple
Building materials; Lumber
A cut in an unseasoned joist, bearer or stud designed to reduce movement in a floor or wall as the structural lumber seasons.
diffusion
Building materials; Lumber
Movement of water through wood from points of high moisture content to points of low moisture content by molecular diffusion.
