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Wood cut from Victorian Eucalyptus regnans The harbor of Bellingham, Washington, filled with logs, 1972. Lumber is wood that has been processed into uniform and useful sizes (dimensional lumber), including beams and planks or boards. Lumber is mainly used for construction framing, as well as finishing (floors, wall panels, window frames ...
2by4 or 2x4, a 1998 American drama film; 2 inch × 4 inch profile dimensional lumber; 2×4 Roller Derby, a women's roller derby league in Argentina; Jonny 2×4, a character on the cartoon Ed, Edd n Eddy
Blocking (dwang, nog, noggin, and nogging) is the use of short pieces of dimensional lumber in wood framed construction to brace longer members or to provide grounds for fixings. Uses [ edit ]
Also rendered as 2x4. A common size of dimensional lumber named for its unprocessed dimensions, usually measuring 1.5 by 3.5 inches (3.8 cm × 8.9 cm) in practice. U
Wall framing in house construction includes the vertical and horizontal members of exterior walls and interior partitions, both of bearing walls and non-bearing walls. . These stick members, referred to as studs, wall plates and lintels (sometimes called headers), serve as a nailing base for all covering material and support the upper floor platforms, which provide the lateral strength along a
If an accident happens and a roofer loses his/her footing, the 2x4 would stop the roofer from sliding down and/or off the roof. [1] More deaths occur in falls than for any other reason in the construction profession. [2] More generally, a toe board is a small vertical barrier attached to a raised floor or raised platform.
Lumber refers to smaller dimension or dressed lumber such as 2x4 or 2x6 used in modern construction. Interestingly a sawmill refers to the first machine to cut the lumber, whereas, in modern trade usage, "milled" lumber is further dressed by planing to standard dimensions, or made into molding or specialized forms for cabinet making.
Timber design or wood design is a subcategory of structural engineering that focuses on the engineering of wood structures. Timber is classified by tree species (e.g., southern pine, douglas fir, etc.) and its strength is graded using numerous coefficients that correspond to the number of knots, the moisture content, the temperature, the grain ...