Seasoned lumber has been dried, usually in a lumber kiln, to roughly 6% to 8% moisture content. Unseasoned lumber may be anything from dripping-wet-fresh-from-the-tree to air dried, depending on how long it's been sitting at the lumberyard and on the local humidity.
This refers to the amount of aging it has had since cut. Green is another name for unseasoned wood. This refers to firewood and cut lumber. Seasoned is ready for sale in a lumber yard or fireplace ready.
Lumber must be seasoned to prevent it from cracking and warping. After being cut into boards, the lumber is dried (seasoned) in a heated drying shed called a kiln or in the open air.
Harvesting and seasoning of lumber includes the process of cutting and transporting the previously harvested and seasoned lumber but it is harvesting killing and seasoned natural.
Nominal Dimension Lumber is what it's cut to and Net dimensional Lumber is what it actually is.
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Wood is a hard substance, composing of the stem of branches of a tree of shrub. Lumber is wood- which has been conditioned
Paralam is manufactured by Weyerhauser and Versalam is manufactured by Boise-Cascade. Other than that, there really is no difference.
In Canadian lumber mills at least, chipboard is made with smaller particles than fibreboard.
birch should be lighter.
Re sawn lumber is achieved by re-processing smooth standard milled lumber to achieve a roughened surface, normally for aesthetics. The lumber is passed along a saw blade to achieve the desired effect. The finished size is smaller than nominal call-out dimension. Rough sawn lumber is the board, plank or timber prior to milling for final sizing. Rough sawn lumber is larger in dimensions to the nominal call out. Rough sawn lumber is sometimes referred as rough milled lumber when certain exact sizes are desired.
TO ITS LUMBER PARTY (Leave a space between each word
Board feet is the unit measure of rough lumber. Linear feet is the unit measure of S4S lumber. (smooth 4 sides)