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This has allowed new construction to become less expensive without having to modify municipal, state, and national building codes. [citation needed] Now, it's true that many buildings (say, ca. 1900 in the U.S.) do use rough-cut lumber, with the "real" dimensions, i.e. a 2x4 is actually 2"x4".
As previously noted, less wood is needed to produce a given finished size than when standards called for the green lumber to be the full nominal dimension. However, even the dimensions for finished lumber of a given nominal size have changed over time. In 1910, a typical finished 1-inch (25 mm) board was 13 ⁄ 16 in (21 mm). In 1928, that was ...
Stave construction is a traditional timber frame with walls of vertical planks, the posts and planks landing in a sill on a foundation. Similar construction with earthfast posts is called stolpteknik . and Palisade construction where many vertical wall timbers or planks have their feet buried in the ground called post in ground or earthfast ...
Butterfly valve in a large DN-size. Nominal diameter, abbreviated DN (diamètre nominal/Durchmesser nach Norm), is the designation system specified by ISO 6708 for specifying the diameter of trade sizes of metric pipework components, and is the metric equivalent to Nominal Pipe Size. [9]
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
sill - a stud sized member forming the base of a window assembly or the base of wall. mudsill - a stud sized member that forms the base of a wall and has been treated against insects and decay. top plate or double top plate - a stud sized member that forms the top of the wall. In cases where other members must bear or brace on the top of the ...