structural lumber

structural lumber

Lumber consisting of the following classifications:
1.Beams and stringers : Lumber of rectangular cross section, 5 in. or more thick and 8 in. or more wide; graded with respect to its strength in bending when loaded on the narrow face.
2.Joists and planks : Lumber of rectangular cross section, 2 in. to (but not including) 5 in. thick, and 4 in. or more wide; graded with respect to its strength in bending when loaded either on the narrow face as a joist or on the wide face as a plank.
3.Posts and timbers: Lumber of square or approximately square cross section 5 in. by 5 in. and larger; graded primarily for use as posts or columns carrying longitudinal load but adapted for miscellaneous uses in which strength in bending is not especially important.
References in periodicals archive ?
Chinese larch is an important species for producing structural lumber.
Some carbon continues to be stored in longer-lived wood products, such as structural lumber for buildings.
For Great Western Lumber, that niche is structural lumber and high-quality pieces for export.
The Japanese also use it in shoji screens and as structural lumber and groundsill.
in April of 2006, the company has focused on retaining its position as one of the nations leading makers of HDPE building materials used in structural lumber, transportation, marina and residential decking applications.
Once the pine beetle kill has run its course, sawmills that produce structural lumber, already slowed by the soft housing market in the U.
FPL provided specs for using small-diameter red pine in whole log form, taking advantage of trees otherwise too small for structural lumber.
Fred Kamke, composites researcher with Virginia Tech's Brooks Forest Products Center, says the fastest-growing segment of the wood-based composites industry is structural lumber substitutes.
The Teal-Jones Group, a fully integrated forest company, offers a line of cedar shakes and shingles, as well as dimensional lumber, timbers and posts, structural lumber, cedar decking, and siding.
Decks consist of a foundation that is supported on an existing building or by a structural system anchored in the earth, a framework of structural lumber, and surfacing on which one can safely walk.
This moisture level is close to being in balance with outdoor air, where structural lumber is stored.

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