Lumber (american english; used only in north america) or timber (used in the rest of the english speaking world) is a type of wood that has been processed into beams and planks, a stage in the process of wood production. lumber is mainly used for structural purposes but has many other uses as well.. Lumber buying guide. there are certain characteristics that are common in all wood types. when you shop for lumber, you may notice two sizes listed -- common and actual. there's a good reason for this, watch our video for more info: why a 2 x 4 isn't a 2 x 4. hardwood grades.. Wood is a common choice as a flooring material and can come in various styles, colors, cuts, and species. bamboo flooring is often considered a form of wood flooring, with increased plank size. solid wood cannot be used with underfloor radiant heating..
Dimension lumber sizes standard dimension lumber sizes produced in north america are listed as surfaced dry sizes (19 percent moisture content or less) in the table below. the availability of lumber sizes varies somewhat according to the area of the country from which the raw material originates.. Commonly available pse / par and sawn timber sizes. wood sizes can be another minefield (after choosing unsorted u/s, iv etc), pse or par is planed down from the stock sizes so the actual sizes are not what you think. the second table shows the finished sizes. and - take a tip from me, check if you can get these actual sizes locally before designing and working out a complicated cutting list.. Lumber sizes are usually given in "nominal" measurements. the nominal measurements are a board's size before it has been planed smooth (surfaced) on all 4 sides. the actual measurements are the final size..
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